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(单词翻译)
Light goes through the pupil, the dark hole in the center of your eye. The
light becomes an image on the retina, which converts these images into
nerve impulses. The brain reads these impulses and “tells” you what you
are seeing. The image that the retina receives is upside down, but the
brain reverses it to right-side up.
In an experiment years ago, a brave researcher wore special lenses that
turned everything upside down. After stumbling around for awhile, he
became used to the lenses because his brain corrected the images. To
conclude his experiment, he stopped wearing the lenses. After awhile, his
brain returned his vision to normal.
People with vision problems are usually near-sighted or far-sighted. Near
-sighted people see clearly only objects that are near; far-sighted people
see clearly only objects that are far away. Both groups of people need
corrective lenses (glasses or contacts).
People whose near and far vision is good have “20/20” vision. People
with poor eyesight might have 20/40 vision (or worse). That is, a person
with good vision can see an object from 40 feet away as clearly as a
person with poor vision can see the object from 20 feet away. No matter
how good your vision is when you are young, you will need reading glasses
when you get old.
Your pupils get bigger as a light source gets dimmer, but your pupils also
get bigger if you see something (like a delicious meal) that interests
you. “Your eyes are bigger than your stomach” is an expression parents
use when a child fills his plate with more food than he can eat.
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ago
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adv./adj.以前(的),以往(的) | |
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also
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adv.也,亦;并且;同样;而且,还 | |
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around
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adv.大约,到处,在周围;prep.在...周围 | |
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as
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conj.按照;如同 | |
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away
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adv.在远处, 到远处, 离去 | |
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became
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v.(become的过去式)成为 | |
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because
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conj.由于,因为 | |
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becomes
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v.变为,成为( become的第三人称单数 );适合;使(人)显得漂亮;使好看 | |
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both
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prep.两者(都),双方(都)adj.两个…(都) | |
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brain
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n.头脑,电脑,智慧 | |
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brave
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adj.勇敢的;v.勇敢地面对(危险等);抵抗 | |
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center
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n.中心,中央;vi.居中;vt.使集中 | |
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child
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n.( [pl.] children)小孩,儿童;儿女 | |
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clearly
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adj.清楚的;adv. 清楚地 | |
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conclude
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vt.结束时说;(经推理)相信;达成;vi.结束,终结 | |
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converts
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v.(使)转变( convert的第三人称单数 );(使)转化;皈依;改变(信仰) | |
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corrected
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adj.折算的,修正的,校正的v.改正( correct的过去式和过去分词 );[数学、物理学]校正;(试卷)改错;批改 | |
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dark
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adj.黑色的;暗的;黑暗的 | |
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delicious
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adj.美味的,可口的 | |
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dimmer
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n.调光器adj.暗淡的( dim的比较级 );不光明的;看不清的;(性质和特征上)不显著的 | |
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everything
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pron.每件事,每件东西 | |
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experiment
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n.实验,试验,尝试;v.实验,尝试 | |
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expression
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n.表达,表示,表现,表情,措辞,词句 | |
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eyesight
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n.视力;视觉;眼力 | |
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fills
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v.(使)充满, (使)装满,填满( fill的第三人称单数 );满足;配药;(按订单)供应 | |
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glasses
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n.眼镜,双筒镜 | |
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groups
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n.组( group的名词复数 );群;小型流行音乐演奏组;集团v.使成群,集合( group的第三人称单数 );分类,归类 | |
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hole
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n.孔,洞,穴;v.挖洞,掘坑,进洞 | |
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image
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n.图象;肖像;形象 | |
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images
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n.比喻( image的名词复数 );形象;印象;镜像 | |
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impulses
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凭冲动行事( impulse的名词复数 ); 突如其来的念头; 推动; 冲量 | |
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interests
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n.兴趣( interest的名词复数 );利益;利息;关注 | |
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lenses
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n.透镜,镜头( lens的名词复数 );眼睛中的水晶体 | |
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light
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n.光,光亮,灯;adj.轻的,光亮的,容易的;v.点燃,著火,变亮 | |
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matter
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n.事情;问题;麻烦事,毛病 | |
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might
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aux./v.(may的过去式)可能;可以,允许 | |
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near
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prep.在…附近;靠近 | |
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need
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vt.需要,要;aux.必须,不得不;n.需要,必要;需用的东西,需求 | |
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nerve
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n.神经;勇气,胆量,沉着,果断 | |
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normal
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adj.正常的,正规的,标准的;n.正规;常态 | |
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object
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n.物,物体,目标,宾语;v.反对 | |
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objects
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n.物体( object的名词复数 );目标;宾语;实体v.不赞成( object的第三人称单数 );抗议;拒绝接受;抱反感 | |
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only
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adv.仅仅,只不过;adj.唯一的;conj.可是,不过 | |
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parents
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n.父母,双亲 | |
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people
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n.人们,人;(the-)人民;一国人民,民族 | |
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person
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n.人 | |
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plate
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n.盘子,碟子 | |
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poor
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adj.贫穷的;可怜的 | |
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problems
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n.问题( problem的名词复数 );疑难问题;习题;思考题 | |
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pupil
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n.学生,小学生;瞳孔 | |
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pupils
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n.学生( pupil的名词复数 );瞳孔;弟子;门生 | |
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reading
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n.阅读,知识,读物,表演,对法律条文的解释;adj.阅读的 | |
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receives
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v.收到( receive的第三人称单数 );接到;接纳;接待 | |
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researcher
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n.研究员 | |
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returned
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adj.被送回的,归来的v.返回,回来( return的过去式和过去分词 );恢复;还;归还 | |
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reverses
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n.倒转( reverse的名词复数 );失败v.(使)反转( reverse的第三人称单数 );(使)颠倒;(使)翻转;推翻 | |
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something
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pron.某事,某物;被视为有意义的事物 | |
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source
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n.来源,水源;原始资料 | |
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special
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adj.特别的;特征的,特殊的 | |
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stopped
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v.停止( stop的过去式和过去分词 );中断;逗留;(使)停止工作 | |
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stumbling
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adj.摇摇晃晃或跌跌撞撞的v.(不顺畅地)说( stumble的现在分词 );跌跌撞撞地走;绊脚;(说话、演奏等)出错 | |
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through
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adv.穿越,完全;prep.经过,穿过,凭借 | |
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turned
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v.(使)转动( turn的过去式和过去分词 );旋转;(使)改变方向;(使)不适 | |
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upside
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n.上侧,上段,上部 | |
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use
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v.使用;n.用途,利用 | |
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used
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adj.用旧了的,旧的;习惯于…;过去惯/经常 | |
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usually
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adv.通常,平常,一般 | |
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vision
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n.视觉,先见之明,光景,视力,眼力,幻想,影像;vt.幻想 | |
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wearing
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adj.使人疲乏的,令人厌烦的v.穿着( wear的现在分词 );磨成;使疲乏;同意 | |
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wore
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v.穿着( wear的过去式 );磨成;使疲乏;同意 | |
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years
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n.年( year的名词复数 );年纪;一年的期间;某年级的学生 | |
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young
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adj.年轻的,幼小的;没经验的;n.青年人 | |
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