Klockmannite
六方硒铜矿, 蓝硒铜矿
🗣️ 情景例句
What's your impression of China?
你对中国印象如何？
When did you come to see me?
你什么时候来见我？
The inspector then asked the old lady to try to check what was missing by the next day and advised her not to stay alone in the flat for a few nights.
巡官请老妇人在次日之前设法查清丢了些什么，并劝她几夜之内不要独自一人在公寓过夜。