Mottramite
n. [矿]钒铜铅矿
🗣️ 情景例句
That's right.
你完全正确。
I wasn't serious, I meant it as a joke.
我并非有意，我只是开个玩笑而已。
Not all sounds made by animals serve as language.
动物发出的声音不都是用作语言交际。