Petrologic
a. [地]巖石學(xué)的
??? 情景例句
Won't it be exciting to see all your college friends there again?
在那里又要見到你的大學(xué)朋友 ，難道不興奮嗎
Let me give you an indication.
我可以提示一個(gè)想法。
Is anything the matter?
怎么回事呀？