Polychloriznation
多氯化反应
🗣️ 情景例句
I'd like an advance copy of the book, though,
但我想要一本新书的试印本
How do you spend your leisure time?
你怎样打发业余时间？
As early as his second film, Chaplin had developed his own manner of acting.
早在他的第二部电影，卓别林就形成了他自己的表演风格。