Commutativity
[计] 可交换性
🗣️ 情景例句
Say good-bye to Richard.
替我向Richard说声再见。
I've realized that we should stop the pollution.
我明白必须阻止公害的原因了。
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。