Impregnability
n. 攻不破, 不受影响
✅ 同义词
📖 牛津释义
impregnability
n[U].
🗣️ 情景例句
I honestly didn't mean it.
我的确不是故意的。
Grain by grain,and the hen fills her belly.
一颗接一颗，母鸡填饱肚。
But the chances are against it,
但这种可能性很小。