Petrographer
岩相学家
🗣️ 情景例句
These are polite questions.
这些问题都是礼貌的。
I met her last Sunday.
我上个星期日遇见她。
I'm afraid not. She isn't here at the moment. Can I take a message?
恐怕不行。她这会儿不在。有话要我转告吗？