Subdifferential
次微分
🗣️ 情景例句
Well, I really wouldn't want to move, but ...
噢， 我实在不愿意搬家 ，但是……
Timid dogs bark most.
狗胆小，拼命叫。
Perhaps it will suffice to mention the nuclear bomb.
也许提一下核弹就足以说明了。