Cemf
abbr. 反电动势（Counter Electromotive Force）
🗣️ 情景例句
I go to brunch every Sunday.
我每星期天早午餐合吃。
For those of you that didn't hear it, the question was how soon we could expect the product to be on sale.
你们并未听说过，问题是产品多快能上市。
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。