Disclasite
水硅鈣石
??? 情景例句
Excuse me, do you know...?
打擾一下，你知道...？
No use asking you.
問(wèn)你也是白問(wèn)。
The house was dirty. They hadn't cleaned it for weeks.
房子很臟，他們好幾個(gè)星期沒(méi)打掃了。