按了几个键后，丽贝卡连接上了她在自由航空公司的电脑。

With a few keystrokes, Rebecca was connected to her computer at Liberty Air Service.

《柯林斯英汉双解大词典》

我看到萨拉可以用一只手一次弹几个键的呀。

I saw Sara playing several keys with one hand at the same time.

youdao

卡斯·拉泽的妻子丽娜弹了弹家人一直很珍重的钢琴的几个键。

Kasradze's wife Lena tries a few keys on the once-prized piano.

youdao

How many pi bonds would you expe PROFESSOR: Two, great.

你们预计它有几个π键,两个，很好。

麻省理工公开课 - 化学原理课程节选

So how many bonding electrons do we have left?

我们剩下了几个成键电子？

麻省理工公开课 - 化学原理课程节选