VOA慢速英语:Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing

2. attachment n. 附属物, 附件
例句：The vacuum cleaner has four different attachments.
吸尘器有四个不同的附件。

3. permanent adj. 永久(性)的, 固定的
例句：The coat gives permanent protection against heavy rain.
这种防雨衣经久耐用。

4. lack vt.缺乏; 缺少
例句：We lacked the strength to walk any further.
我们没有力气再往前走了。

5. suppose vt. 料想; 猜想; 以为
例句：I suppose he will be back by eight o'clock.
我想他八点钟以前会回来。

6. suspect vt. 猜疑(是), 怀疑(是), 觉得(是)
例句：I suspect him to know everything about that.
我猜想那件事他全都知道了。

7. train v. 训练, 锻炼; 培养
例句：They trained him as an engineer.
他们把他培养成一名工程师。

8. defend v. 保卫,防御；保护
例句：They defended very well in the game.
在那场比赛中他们防守得很好。

9. survive vi.幸存, 活下来
例句：These plants cannot survive in very cold conditions.
这些植物在严寒中不能存活。

10. incident n. 事件;事变
例句：He resolved never to tell anyone about the incident.
他决定永远不跟任何人谈这件事。