Clausthalite
[化] 硒铅矿
🗣️ 情景例句
This is a classic in the making.
这是一部尚未完成的一流著作。
Sit down, please.
请坐。
Then I arrived home at six o'clock yesterday evening. He telephoned again.But I didn't answer the phone!
后来，我昨晚6点钟回到家里。他又打来电话，但我没接。