Forec differntial
[電] 力差
??? 情景例句
Oh! Oh, quickly! Go, go, go!
噢， 噢， 趕快 ！走 ，走，走！
I guess he's about 30.
我猜他大概30歲。
That was quick!Have you finished already?
好快啊！你已經(jīng)澆完了？