Peltogen
一种浮选剂
🗣️ 情景例句
Well keep in touch, ok?
保持联络，好吗？
He that has a tongue in his head may find his way anywhere.
遇事多问，随处可行。
The conditions of society are such that skills have to be paid for in the same way that goods are paid for at a shop.
社会上的情况就是如此，技术是必须付钱去买的，就像在商店里要花钱买商品一样。