VOA慢速英语:Scientific and Engineering Skills Lead to Inventions that Save Lives

短语讲解：

1. We will also tell about the people who developed them.

tell about 谈及；讲述
例句：What would he tell about now?
他现在会说些什么？

2. But more than 100 years passed before the current, widely used seat belt was developed.

more than 不只是；很
例句：We have more than a car!
我们可不止有辆车！

3. Added to clothing, the material protects security officers and soldiers across the world.

add to 增加，加强
例句：Which form would you like to add to your web site?
您希望在自己的web站点中添加哪种窗体？

4. Mr. Shubin was able to gain financial help for a field experiment.

be able to 能，会；能够；克
例句：We hope you'll be able to attend.
我们希望你能够前来参加。

5. But a bullet fired very close to the policeman struck his chest.

close to 贴近
例句：He was standing close to the door.
他靠近门站着。

6. He felt good enough to protest being kept in a hospital that night  to make sure all was well.

make sure 把事情弄清楚
例句：I knew I had to make sure I was healthy.
我知道我得确定自己是健康的。

7. The incident helped get manufacturers to stop worrying about legal  action. They began making the vests.

worry about 担忧， 烦恼
例句：What do you haveto worry about?
你有什么好担心的？