Wittichenite
脆硫铜铋矿, 硫铋铜矿
🗣️ 情景例句
Well, are you going to tell me what's on your mind, Harry?
好了， 你要不要告诉我你在想什么， Harry？
Do you really want to know what I think?
你真想知道我怎么想吗？
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.
好吧。我们明天再多买些。现在我们应该把地板弄好。你能抓住木板的另一端吗？现在你要来回拉动木板，使它的表面象那块儿木板一样光滑。