Wittichenite
脆硫铜铋矿, 硫铋铜矿
🗣️ 情景例句
But if I have my tonsils out tomorrow,
但是我如果明天切除扁桃腺，
He who has lost his good name is a dead man among the living.
丧失好名誉，犹如活死人。
A simple experiment will help us a little further.
再做一个简单的实验可以帮助我们进一步理解这个问题。