Impregnability
n. 攻不破, 不受影响
✅ 同义词
📖 牛津释义
impregnability
n[U].
🗣️ 情景例句
I'm really excited about seeing Grandpa.
一想到要见到爷爷， 我就觉得兴奋。
An empty purse frightens many friends.
曩中无分文，亲友不上门。
Could you explain exactly what you do?
您能确切的解释一下你做些什么吗？