Impregnability
n. 攻不破, 不受影响
✅ 同义词
📖 牛津释义
impregnability
n[U].
🗣️ 情景例句
I have a ticket, I know.
我知道我有车票。
I want to make an overseas call to the United States?
我想打个电话到美国去。
On motorways you can, at least, travel fairly safely at high speeds,
在公路上还好，你至少能以相当快的速度安全地向前行。