Operator function
[计] 算子函数
🧩 词语组成解析
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递？
Industry if fortune's right hand, and frugality her left.
勤勉是幸福的右手，节俭是幸福的左手。
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。