Barthite
砷鋅銅礦
??? 情景例句
Oh, there's our table and benches.
哦， 那是我們的桌子和長板凳。
Will you please measure this window to see how wide it is?
請您測量這扇窗戶看它有多寬？
We have this problem every year.
我們每年都碰到這類問題。末了，