Impregnableness
n. impregnable的变形
✅ 同义词
🗣️ 情景例句
Don't walk on the grass or you'll be in trouble with the law.
不要踏进草地，不然的话法律会找你麻烦的。
One good head is better than a hundred strong hands.
上百双有力的手，不如一个聪明的头脑。
Right.
好的。