它是用来做什么的？

What is it (used) for?

youdao

那它是什么颜色，用来做什么的？

What color is it, and what's it used for?

youdao

你上次使用它是什么时候？用来做什么？

When was the last time you used it, and what for?

youdao

它是用金属做的。你知道火箭是用来做什么的吗？

It's made of metal. Do you know what a rocket is used for?

youdao

它是用金属做的。你知道火箭是用来做什么的吗？

It's made of metal. Do you know what a rocket is used for?

youdao