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1·Was she wearing a seat belt?

她系着座椅安全带吗？《牛津词典》

2·He unbuckled his seat belt.

他松开了他的安全带搭扣。《柯林斯英汉双解大词典》

3·The car seat belt slotted into place easily.

那个汽车安全带很容易就扣好了。《柯林斯英汉双解大词典》

4·The fact I was wearing a seat belt saved my life.

我系着安全带，幸免于难。《柯林斯英汉双解大词典》

5·Children must use an approved child restraint or adult seat belt.

儿童必须使用经过认可的儿童安全带或成人座椅安全带。《牛津词典》

6·Despite the fact that she was wearing a seat belt, she was thrown sharply forward.

尽管她系了安全带，还是被猛然前抛。《牛津词典》

7·The safety belt is easy to fit as there's no need to bolt it to seat belt anchorage points.

这种安全带很容易安装，因为不需要把它拴在安全带固定点上。《柯林斯英汉双解大词典》

8·When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt.

泰德六岁时，我们决定让他知道怎样系和解他的安全带。《柯林斯英汉双解大词典》

9·A seat belt can help protect passengers in many car accidents.

安全带在许多交通事故中可以帮助保护乘客。

10·Wearing a helmet when you ride a bike is as important as wearing your seat belt when you ride in a car!

骑自行车时戴头盔和开车时系安全带一样重要！

安全带

1·He unbuckled his seat belt.

他松开了他的安全带搭扣。《柯林斯英汉双解大词典》

2·When Ted was six we decided that he needed to know how to fasten and unfasten his seat belt.

泰德六岁时，我们决定让他知道怎样系和解他的安全带。《柯林斯英汉双解大词典》

3·The seat belt sign went on.

安全带的指示灯亮了。

4·You should be wearing the seat belt.

你应该系好安全带。

5·He told her not to loosen the seat belt when he drove.

他叫她在开车时不要松开安全带。