Unpenetrable
a. 不能穿入的, 难穿入的
🗣️ 情景例句
It's a safe bet that he'll get the job.
他能得到那份工作，这几乎可以打保票。
The crow thinks her own birds fairest.
乌鸦总以为自己的雏鸟最美丽。
Yes, Mom, said Lucy. I haven't forgotten anything.
“齐了，妈妈”露西说，“我什么也没忘记。”