Barthite
砷锌铜矿
🗣️ 情景例句
Oh, there's our table and benches.
哦， 那是我们的桌子和长板凳。
Will you please measure this window to see how wide it is?
请您测量这扇窗户看它有多宽？
We have this problem every year.
我们每年都碰到这类问题。末了，