Sarcinite
红砷锰矿
🗣️ 情景例句
If you want my advice, I don't think you should go.
如果你想听我的建议，我认为你不应该去。
I hurried to my office.
我匆忙赶到办公室。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，