Mcgovernite
红砷硅锰矿
🗣️ 情景例句
Do? I don't know.
读什么 ？我不知道。
She was not in the slightest surprised.
她一点也不吃惊。
My brother has never been abroad before, so he is fending this trip very exciting.
我弟弟以前从未出过国，因此，他觉得这次旅行非常激动人心。