I'll say 'One, two, three, go!' as a signal for you to start.

我喊“一、二、三，开始！”作为你开始的信号。

《牛津词典》

For almost three months, seven Clarks lived under one roof.

在将近三个月的时间里，克拉克一家七口住在同一屋檐下。

youdao

youdao

For a time he was one of only three doctors,and the only surgeon, at a huge hospital in Kinshasa.

VOA: special.2009.02.23

How many people vote for that this is a reversible process? I've got one vote back there two votes, three votes, four votes. Anybody else?

有多少人认为,这是一个可逆过程？有一个，两个，三个,四个，还有别的人吗？

麻省理工公开课 - 热力学与动力学课程节选

so you can see that there is going to be two sets in antibonding, three sets in bonding for a net of one, giving us the single bond.

因此你能看到,反键轨道上有两组，三组成键，得到一组净成键，所以成的是单键。

麻省理工公开课 - 固态化学导论课程节选

Most kid-oriented financial systems wisely segment money for children in one of three buckets: one each for spending, saving and sharing.

FORBES: Teaching Your Kids About Santa And Money (Spoiler Alert)

There were two trials, one for Ramirez and one for her three friends, and both of the girls told different stories at each trial.

FORBES: The San Antonio Four Show the Injustice of Sex Abuse Witch-hunts

You earn three points for the first three pieces linked, and one more for each piece added on after that.

FORBES: Tetris Link Drops