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例句:When all passengers were on board, the train pulled out of the station.

所有乘客都上车后，火车开出了车站。

2.prime minister 总理；首相

例句:His proposals have already been rebuffed by the Prime Minister.

他的提议已经被首相否决了。

3.give birth to 生产；生育

例句:These women will give birth to God-knows-how-many girls until they have a boy.

这些女人不知道生了多少女孩，直到生了个男孩才罢休。

 4.in office 执政；在位

例句:The president said he'd made no firm decision on whether he would run for a second term in office.

总统说他还没有下定决心是否竞选连任。