Winkerite
水钴镍矿
🗣️ 情景例句
We have closely connected with firms in USA.
我们同美国有良好的业务关系。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
You must be very popular .
你一定很受欢迎。