Clausthalite
[化] 硒铅矿
🗣️ 情景例句
Uh, one scoop of coffee and one scoop of chocolate for me.
我要一勺咖啡的和一勺巧克力的。
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
Excuse me, Mr. Hu. Can you look after my watch, please?
劳驾，胡老师，你能帮我保管一下我的手表吗？