Impregnability
n. 攻不破, 不受影响
✅ 同义词
📖 牛津释义
impregnability
n[U].
🗣️ 情景例句
Please accept my sincere apology.
请接受我诚心诚意的道歉。
This offer remains open until 10th February, beyond which date the terms and prices should be negotiated anew.
此盘有效期至2月10日，超过此期限条件及价格需重新协商。
It was his job to repair bicycles and at that time he used to work fourteen hours a day.
他那时的工作是修理自行车，并且通常是一天工作14个小时。