Placentals
(placental 的復數) a. (有)胎盤的, (有)胎座的\\nn. 有胎盤哺乳動物
??? 情景例句
It's something that only you and Harry can work out.
這件事只有你和Harry才能定奪。
While we were having breakfast,John was talking on the telephone.
當我們正在吃早餐時，約翰正在打電話。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，