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VOA慢速英语:The Evolution of Spacesuits
2011-04-06来源:VOA
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词汇讲解:
1. astronaut n. 宇航员,太空人
例句:My son' s dream is to be an astronaut.
我儿子的理想是当宇航员。
2. extreme n. 极端,过分
例句:I find his conversation stimulating in the extreme.
我发现他的话特别激励人。
3. freeze v. (使)结冰
例句:Heat the water, otherwise it will freeze.
把水加热,否则就会结冰。
4. shuttle n. 航天飞机
例句:The space shuttle can orbit at altitudes of up to 965 kilometers.
这架航天飞机最高能在965公里的高度作轨道运行。
5. permit v. 允许,许可
例句:An enlightened government should permit the free expression of political opinion.
一个开明的政府应当允许自由发表政见。
6. atmospheric adj. 大气的,大气层的
例句:The Act imposes more stringent regulations on atmospheric pollution.
法案对大气污染作出更为严格的规定。
atmosphere n. 大气,气氛
例句:Changes in the climate are due to pollution of the atmosphere.
由于对大气层的污染而造成了气候变化。
7. comfort n. 舒适,舒服
例句:He has enough money so that he can live in comfort.
他有很多钱, 足可舒舒服服过日子。
8. gravity n. 重力,地心引力
例句:An apple falls down because of gravity.
由于重力的关系, 苹果往下掉。
9. observe v. 观察,研究
例句:He observes carefully but says little.
他总是仔细观察, 很少说话。
10. orbit n. 轨道
例句:They put a weather satellite into orbit round the earth.
他们把一颗气象卫星送入环绕地球的轨道。
11. crew n. 全体船员, 全体机务人员
例句:The plane crashed, killing all its passengers and crew.
飞机失事了, 所有乘客和机组人员都遇难了。
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