What is Yiyang Qianxi doing while other teenagers are chatting?

当其他青少年在聊天时，易烊千玺在做什么？

youdao

What was she doing while her friends were swimming?

当她的朋友们在游泳时，她在做什么？

youdao

What was Jack doing while his grandmother was cooking?

奶奶做饭时，杰克在做什么？

youdao

While doing his famous "Moonwalk" step, he seemed to be walking backwards on air.

VOA: special.2009.07.05

Because if it's irreversible, it's very likely that I don't know what the pressure inside the system is doing while this is happening.

因为对不可逆过程，系统内部的压强,没有明确的定义,气体不处于平衡态。

麻省理工公开课 - 热力学与动力学课程节选

and the other is doing business while also doing good for their community and also just people in general.

另一件就是经商的同时为他们的社区和普通人做些好事。

现在的商业新闻 - SpeakingMax英语口语达人

What is the SEC supposed to be doing while all of this is going on?

FORBES: Why Everybody's Jumping On The Accountants These Days

What are you doing while the bird roasts and the green beans simmer?

FORBES: Tips for Entertaining in a Small Space

As with Enron, questions are flying about what the auditors were doing while such a massive fraud was being perpetrated under their noses.

ECONOMIST: Plenty of crying over spilt milk | The