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学个词 Learn a Word-VOA英语教学 2029 screen time

时间:2014-05-21 02:58:31

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(单词翻译)

今天我们要学的词是 screen time. Screen time 屏幕时间,指用在看电视,电脑,游戏机等电子设备上的时间。美国小儿科医学会建议,Children younger than 2 should not have any screen time, while older children should have a maximum of two hours a day. 两岁以下儿童不应该有任何屏幕时间,两岁以上儿童最多只能有两小时。最新研究指出,Children who have more than 2 hours of screen time a day are two and half times more likely to have high blood pressure. 每天屏幕时间超过两个小时的孩子,血压高的可能性是其他孩子的两倍半。好的,今天我们学习的词是 screen time, screen time, screen time...


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0 any rMyy5     
adj.任何的;所有的
参考例句:
  • I don't have any hobbies.我没有任何的爱好。
  • It isn't any use.它任何用途都没有。
0 blood 1RYya     
n.血,血统,仇恨;vt.流血
参考例句:
  • Their hands were full of blood.他们的手沾满了鲜血。
  • He was a person of gentle blood.他出身名门。
0 half LemzT     
n./adj.半,一半,半个
参考例句:
  • Half of six is three.六的一半是三。
  • Half of the students go to school early.一半的学生上学早。
0 high hddxQ     
adj.高的,高度的,高级的,高尚的;adv.高高地
参考例句:
  • How high are we flying?我们飞行高度是多少?
  • How high is the mountain?这山有多高?
0 likely W1VxW     
adj.有可能的,合适的,前途有望的;adv.或许,可能
参考例句:
  • Look at the sky.It's most likely going to rain.瞧!这天多半要下雨。
  • It's so cloudy and cold that it's likely to snow.天气又阴又冷,大半要下雪。
0 maximum zBmxW     
n.极点,最大量,极大;adj.最高的,最大极限的;
参考例句:
  • This hall holds a maximum of seventy people.这厅最多能容纳七十人。
  • What's your maximum distance ever walked?你最多走过多远?
0 pressure MQyxq     
n.压力,压迫,压强;vt.迫使,使增压,密封
参考例句:
  • He changed his mind under the pressure from others.他在别人的逼迫之下改变了主意。
  • This type of sheet steel could stand high pressure.这种薄钢板能抗高压。
0 screen vZsx5     
n.屏,幕,银幕;屏风;v.选拔;掩蔽,遮蔽
参考例句:
  • You can see him on the TV screen quite often.你可以经常从电视屏幕上见到他。
  • She first appeared on the screen ten years ago.十年前,她第一次出现在银幕上。
0 while IeZz7W     
conj.当…的时候;而;虽然;尽管 n.一会儿
参考例句:
  • In a short while,the cat ate up the fish.不久,那只猫便将鱼吃个精光。
  • He teaches English in the school all the while.他一直在这所学校里教英语。
0 younger xfnwQ     
adj.年轻的;n.年纪较小的人
参考例句:
  • My younger brother hides behind the door. 我弟弟躲在门后。
  • She is older than me but my other sisters are younger. 她比我大,其余都是我妹妹。

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