Recarburizing
增碳作用
🗣️ 情景例句
Too easy for you?
对 ，太容易了
I've lost my nerve.
我失去了勇气。
One of the things that fascinates us most about cats is the popular belief that they have nine lives.
最使我们感兴趣的一件事情就是一种通俗的信念——猫有九条命。