提示：点击例句中的单词，就可以看到词义解释

Would you mind putting your seatbelt on for me ?

能帮个忙系上安全带吗？

You must wear seatbelt in the taxi .

你在出租车要戴安全带.

The prime minister wearing his bike helmet . The boy wearing his seatbelt .

总理戴着他的自行车头盔，那个男孩则系着安全带。

Put him in a seatbelt !

把孩子用安全带绑好！

Was petty officer smith wearing a seatbelt when he crashed ?

史密斯下士在车祸时有绑上安全带吗?