Translation of "Toothpaste" in Chinese

- Where's the toothpaste?
- Where is the toothpaste?

牙膏在哪里？

Where can I find toothpaste?

在哪儿我能找到牙膏？

Tom forgot to buy toothpaste.

湯姆忘了買牙膏了。

Please buy a tube of toothpaste.

請買條牙膏吧。

You can't put toothpaste back in the tube.

不能把牙膏塞回管里。