Impregnableness
n. impregnable的变形
✅ 同义词
🗣️ 情景例句
Nice to meet you, Susan.
很高兴见到 Susan。
I can't fasten this collar button.
我不能扣住这个领子钮扣。
But of course, he can learn by himself. He has a book and a dictionary.
但当然，他也可以自学。他有书和词典。