Mortarboard
n. 灰泥攪拌托板, 學(xué)士帽
? 同義詞
??? 情景例句
Did the University of Michigan win another football game?
是不是Michigan大學(xué)又贏得了一場足球賽？
It takes time.
這需要時間。
What's it used for?
有什么用途？