What is this tool for?

这个工具是干什么用的？

《牛津词典》

What is this tutorial about?

本教程的内容是什么？

youdao

What is this tortoise doing?

这只乌龟在干嘛呀？

youdao

What all this adds up to is a big responsibility for parents to consider what's really in a name.

VOA: special.2009.07.06

You say, "Whoa, what is this?" Kant makes a distinction between the purposive and the purposeful. What is the distinction?

我咧个去，这货说的是啥？，其实康德将,“合目的性“和“目的性“做了比较，什么比较呢？

耶鲁公开课 - 文学理论导论课程节选

What is this orbital? Yup. And there's only 2pz one correct answer here, which is to 2 p z.

它的轨道是什么？，嗯，这里,只有一个答案，那就是。

麻省理工公开课 - 化学原理课程节选

But what is this skydiver, stuntman and director doing here in Silicon Valley, pitching Guy Kawasaki?

FORBES: Two Guys in a Garage

Now what is this new intergovernmental platform and what impact might it have on business?

FORBES: US getting serious about international biodiversity policy

And what is this mournful stretch of wall, overgrown with weeds beneath a lurid sky?

ECONOMIST: Hollywood