Cheleutite
砷铋钴矿
🗣️ 情景例句
Where is the best spot in town to hang out at?
城里出去玩儿最好的地方在哪儿？
It's urgent to improve the packing.
必须马上改进包装。
But of course, he can learn by himself. He has a book and a dictionary.
但当然，他也可以自学。他有书和词典。