Conichalcite
砷钙铜矿
🗣️ 情景例句
I feel as though I have been standing here for 50 days.
可我感觉像是在这里站了50天。
This window is just as wide as that one.
这扇窗户刚好和那扇一样宽。
Do English people like boating?
英国人喜欢划船吗？