Impregnability
n. 攻不破, 不受影响
✅ 同义词
📖 牛津释义
impregnability
n[U].
🗣️ 情景例句
and I didn't know what it would be like.
而且我也不知道将会是怎么一个样子。
Immature!
幼稚！
Instead of catching fish,they catch old boots and rubbish.
他们往往鱼钓不到，却钓上来些旧靴子和垃圾。