Calcimeter
[醫] 鈣定量器
??? 情景例句
Do you want a first class, business class or economy seat?
你想要頭等艙、商務艙還是經濟艙？
I wonder if it will rain tomorrow.
我不知道明天會不會下雨。
Yes, it is. Why don't you take off your sweater?
是啊，你何不脫了羊毛衫呢？