Clausthalite
[化] 硒铅矿
🗣️ 情景例句
Please sit down, Mr. Mark.
请坐吧，马克先生。
I read the newspaper over breakfast.
我边吃早饭边看报纸。
At first she decided to go to the police,
一开始拉姆齐太太打算报告警察，