Fetology
n. 胎兒學(xué)
??? 情景例句
Don't worry about it. It's nothing.
別擔(dān)心，沒事兒。
I know the boy whose father is a missionary.
我知道那個(gè)男孩的父親是傳教士。
No, that's not mine.
不，那不是我的。