Stewartite
斜磷锰矿
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
You are stronger than I am.
你比我强壮。
Can you spell it, please?
请您拼出来好吗？