Impregnability
n. 攻不破, 不受影响
✅ 同义词
📖 牛津释义
impregnability
n[U].
🗣️ 情景例句
When I wake up in the morning, I go straight to the bathroom.
我早上醒了之后就直接去卫生间洗澡。
Please don't forget.
请不要忘记。
This has not been easy because I own over a thousand books.
但这并不容易，因为我有1，000多本书。