Bathvillite
黄褐块碳
🗣️ 情景例句
I think you should call Rita Mae right now.
我想你现在就打电话给Rita Mae。
Scientists contribute to the well-being of mankind.
科学家为人类造福。
You could save a lot if you would order a little more.
如果你单子下得多一点，可以省不少的钱。