Acidization
酸化作用, 酸化过程
🗣️ 情景例句
you are about to become Susan Bennett--
即将成为Susan Bennett
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
In return for this, the beggar stood on his head and sang songs.
作为回报，那乞丐头顶地倒立起来，嘴里还唱着歌。