Hauerite
方硫锰矿
🗣️ 情景例句
Yes, Mr. Carlson. Yes, sir.
是的 ，Carlson先生。好， 先生。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。
Eleven. And we play the game with a ball like this. Is the game popular in the USA?
11名。而且我们用这样的球比赛。这种比赛在美国受欢迎吗？