Inexpugnable
a. 不能攻占的, 不能驳倒的
✅ 同义词
🔴 反义词
🗣️ 情景例句
in other words ... boring.
也就是说， 太无趣了。
What are these things doing here?
这些东西怎么会在这里？
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知识一旦获得，便得到实际应用。