Impregnability
n. 攻不破, 不受影响
✅ 同义词
📖 牛津释义
impregnability
n[U].
🗣️ 情景例句
It's inevitable that he'll find out about it.
他无可避免地会发觉此事。
I've had this cough for a week now.
我这样咳嗽已经一周了。
When I boarded the train, I could not help noticing that a great many local people got on as well.
上车后，我不禁注意到许多当地人也上了车。