搜索关注在线英语听力室公众号:tingroom,领取免费英语资料大礼包。
(单词翻译)
A geostationary satellite orbits the planet at the same rate as the planet rotates, so the satellite is always over the same patch of ground. Cool! I’d like to have one of those about twenty feet over my house. Sadly, geos only work easily at one distance: 22,500 miles up. Other satellites can have different orbits, can’t they? Yes, they can. But that’s because they can also move at different speeds. A geo doesn’t have that option - by definition it must orbit at the same speed as the earth turns. And that speed determines how high it must be!
收听单词发音
0
rotates
|
|
| (使某物)旋转[转动]( rotate的第三人称单数 ); (使某人或某物)轮流[按顺序循环] | |
参考例句: |
|
|
|
0
work
|
|
| n.工作,劳动 | |
参考例句: |
|
|
|
0
turns
|
|
| v.(使)转动( turn的第三人称单数 );旋转;(使)改变方向;(使)不适 | |
参考例句: |
|
|
|
0
orbits
|
|
| 轨道( orbit的名词复数 ); 势力范围 | |
参考例句: |
|
|
|
0
earth
|
|
| n.陆地;大地;地球 | |
参考例句: |
|
|
|
0
Miles
|
|
| n.英里( mile的名词复数 );很多;一英里赛跑;大面积 | |
参考例句: |
|
|
|
0
speed
|
|
| vt./vi(sped,sped,speeded,speeded)加快;飞跑;n.速度 | |
参考例句: |
|
|
|
0
satellites
|
|
| n.卫星( satellite的名词复数 );人造卫星;卫星国;附庸国 | |
参考例句: |
|
|
|
0
different
|
|
| adj.不同的,有区别的,不一致的 | |
参考例句: |
|
|
|
0
also
|
|
| adv.也,亦;并且;同样;而且,还 | |
参考例句: |
|
|
|
0
option
|
|
| n.选择,取舍,选择权,选择的自由 | |
参考例句: |
|
|
|
0
easily
|
|
| adv.容易地,轻易地,顺利地 | |
参考例句: |
|
|
|
0
orbit
|
|
| n.轨道;vt.使沿轨道运行;使进入轨道运行;vi.沿轨道运行,环行 | |
参考例句: |
|
|
|
0
house
|
|
| n.房屋 | |
参考例句: |
|
|
|
0
rate
|
|
| n.比率,率,速度,价格,费用,等级;vt.估价,认为,鉴定等级,责骂;vi.被评价 | |
参考例句: |
|
|
|
0
speeds
|
|
| n.速度( speed的名词复数 );快速;快门速度;感光度v.急行,加速( speed的第三人称单数 );超速行驶;快速运送;加速,促进 | |
参考例句: |
|
|
|
0
patch
|
|
| n.补丁;斑;一小块地;vt.补,修补 | |
参考例句: |
|
|
|
0
cool
|
|
| adj.凉的,凉爽的 | |
参考例句: |
|
|
|
0
planet
|
|
| n.行星 | |
参考例句: |
|
|
|
0
distance
|
|
| n.距离;路程 | |
参考例句: |
|
|
|
0
high
|
|
| adj.高的,高度的,高级的,高尚的;adv.高高地 | |
参考例句: |
|
|
|
0
sadly
|
|
| adv.悲痛地,悲惨地,悲伤地 | |
参考例句: |
|
|
|
0
definition
|
|
| n.定义;限定,确定;清晰度 | |
参考例句: |
|
|
|
0
as
|
|
| conj.按照;如同 | |
参考例句: |
|
|
|
0
move
|
|
| vt.移动;感动;vi.移动;运行;n.走棋;步骤 | |
参考例句: |
|
|
|
0
twenty
|
|
| num.二十 | |
参考例句: |
|
|
|
0
determines
|
|
| (使)下决心, (使)做出决定( determine的第三人称单数 ); 决定; 确定; 使决定 | |
参考例句: |
|
|
|
0
because
|
|
| conj.由于,因为 | |
参考例句: |
|
|
|
0
always
|
|
| adv.总是,无例外地;永远,始终 | |
参考例句: |
|
|
|
0
satellite
|
|
| n.卫星 | |
参考例句: |
|
|
|
0
only
|
|
| adv.仅仅,只不过;adj.唯一的;conj.可是,不过 | |
参考例句: |
|
|
|
0
ground
|
|
| n.土地,战场,场地;adj.土地的,地面上的;v.放在地上,使...搁浅,打基础 | |
参考例句: |
|
|
|
本文本内容来源于互联网抓取和网友提交,仅供参考,部分栏目没有内容,如果您有更合适的内容,欢迎 点击提交 分享给大家。