The fact that he once joined the army is believable.

他曾当过兵这一事实是可信的。

youdao

Once they got started, other neighbours saw what was going on and joined in the effort.

他们开始后，其他邻居看到了发生的事情，也加入进来一起努力。

youdao

You know the theory that earth's continents were once joined together and only split apart relatively recently?

大家都知道地球上的大陆曾经连在一起，直到最近才分开的那个理论吗？

youdao

Young Sunnis who once joined the insurgency are now joining the army and police.

CNN: Text of President Bush's speech

Poland lay 18th on the list - but over a decade numbers increased nine-fold as its workers came to the UK once the country joined the European Union.

BBC: Census shows rise in foreign-born

Today the Labor Department announced that the number of people applying for unemployment benefits jumped by 35, 000 last week, to a seasonally adjusted 445, 000, the highest level since late October, as holiday temps once again joined the workforce.

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