Unpenetrable
a. 不能穿入的, 难穿入的
🗣️ 情景例句
that I wasn't sure.
我说我不能确定。
I hate to dust the furniture and bookcases.
我非常讨厌擦拭家具和书架上的尘埃。
There are also other varieties that do not live in groups at all.
还有别的类型的蜂，它们全然不过群体生活。