Dentifrices
n. 牙膏；牙粉
🗣️ 情景例句
The teacher flunked him in geography.
老师给他的地理打不及格。
Will the flight be canceled?
这班机会被取消吗？
I was proud that we had come across something that was completely unknown and valuable and,
让我感到自豪的是，我们在无意中发现了不为世人所知的、有价值的东西，