正文

VOA慢速英语:Defending Spacecraft and Astronauts Against Dust

2015-07-16来源:VOA

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词汇讲解：

1. launch vt.发射; 发动; [计算机] 开始（应用程序）; 开展（活动、计划等）
例句：It takes courage to launch into a new business in these difficult times.
在这些困难时期里要开办新的工商企业是需要勇气的。

2. measure vt.测量; 估量
例句：In sports he did not measure up to his younger brother.
在体育方面，他比不上他弟弟。

3. throughout prep. 自始至终（表示时间）; 在…期间; 遍及…地域; 遍及…场所
例句：Guilin is known throughout the world for its scenery.
桂林以山水著称于世。

4. cause vt.引起; 导致; 成为…的原因
例句：The result of doing so would only cause misery.
这样做的结果只能导致灾难。

5. destroy vt.杀死; 破坏，摧毁
例句：Neither death nor anything else can destroy it.
无论是死还是什么东西都不能够破坏它。