Siegenite
块硫镍钴矿
🗣️ 情景例句
English is the language of aviation.
英语是航空语言。
I'm expecting promotion to management level.
我指望晋升到经理的职位。
I must finish that first. But I think I can be free at six. May I come then?
00可能有空。我那时来可以吗？