Unpenetrable
a. 不能穿入的, 难穿入的
🗣️ 情景例句
So how has life changed since you left the army?
你离开军队后，生活过得如何？
He that spares the bad injures the good.
饶恕坏人便是伤害好人。
Is there any sugar in the bottle?
瓶子里还有糖吗？