Sheelite
白钨矿
🗣️ 情景例句
I'm always in a bad mood on Mondays.
我每个星期一情绪都很低落。
The exception proves the rule.
例外能反证规律。
Yes, I do. I like it a lot. The Chinese people are very friendly.
是的，我非常喜欢，中国人非常友好。