Katoptrite
黑硅锑锰矿
🗣️ 情景例句
What's wrong?
怎么啦？
The bird that can sing and won't sing must be made to sing.
生来能唱的鸟，不愿唱也得叫它唱。
I'm really positive that this product has all the features you have always wanted.
我确信这种产品有各种你所要的款式。