Impregnableness
n. impregnable的变形
✅ 同义词
🗣️ 情景例句
How come you look so tired?
你怎么看起来这么疲倦？
Don't forget to write to let us know you arrived safely.
不要忘记写信回来，告诉我们你已经安全抵达。
All products have to pass strict inspection before they go out.
所有产品出厂前必须要经过严格检查。