What's all that sticky stuff on the carpet?

地毯上那黏乎乎的都是什么玩意儿？

《牛津词典》

What is this sticky stuff?

那粘粘的东西是什么？

youdao

What's this sticky stuff on the floor?

地板上这坨粘糊的东西是什么？

youdao

What's this sticky stuff on the floor?

地板上这坨粘糊的东西是什么？

youdao