Unpenetrable
a. 不能穿入的, 难穿入的
🗣️ 情景例句
I'd like you to meet my friend Nat Baker.
我来向你们介绍我的朋友Nat Baker。
As soon as I complete my training,I'm going to be a bank teller.
一旦我完成训练，我将是一个银行出纳。
I want to have a look at what's on this weekend. Let me see now.
我想看看这周末上演什么。让我看看。