Salmoite
磷锌矿
🗣️ 情景例句
Whose woods these are I think I know.
这是谁的林子， 我想我知道。
Friends are lost by calling often and calling seldom.
交往过密过疏，都会失去朋友。
I'm very well, thank you.And you?
很好，谢谢你。你好吗？