Haidingerite
[矿]砷钙石
🔁 扩展释义
【化】 砷钙石; 辉铁锑矿
🗣️ 情景例句
I am studying two majors, and it's quite a burden on my time.
我有两门主修课，这占据了我很大一部分时间。
Forest fire caused by lava
熔岩引起的森林大火
I agree with you. We've got to do something about pollution. It's getting worse.
我同意你的看法。我们得对污染采取措施了。污染越来越严重了。