Siegenite
块硫镍钴矿
🗣️ 情景例句
I think it will be a mutually beneficial relationship.
我认为那将是对双方都有利的关系。
Fish begins to stink at the head.
上梁不正下梁歪。
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，