Impenetrableness
n. 不能通過, 不能穿過
??? 情景例句
But I think you two can have a good time together without me.
但我覺得， 我不去你們也會玩得很開心。
The prerequisite for Chinese Lit is Freshman Lit and Comp.
若要從事中國文學，必須在一年級修文學與作文。
Yes, I look young,too!
我看上去也很年輕。