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1·The wearing of seat belts is required by law.

法律规定必须系安全带。《牛津词典》

2·Manufacturers have been obliged to fit rear seat belts in all new cars.

生产商不得不在所有的新车上安装后部座椅安全带。《柯林斯英汉双解大词典》

3·There was nothing serious, because we all wore the seat belts.

没什么大问题，因为我们都系了安全带。

4·It is important for us to wear seat belts while driving cars.

开车时系安全带对我们很重要。

5·Seat belts must be worn all the time.

安全带要一直系着。

6·By law, seat belts must be worn by all passengers.

按照法律规定，所有乘客都必须系安全带。

7·This law is a good idea compare this protection with seat belts.

与用安全带保护相比，这项法律的想法很好。

8·Should dogs wear seat belts?

宠物狗们需要安全带吗？

9·We had bike helmets and seat belts, and we were obeying the traffic rules.

我们有头盔和安全带，而且还遵守交通法规。

10·Marketers should fasten their seat belts for a long and difficult 2009.

营销者应该扎紧裤带，准备度过一个漫长而又艰难的2009年。