Filtration underground
[医] 地下过滤
🧩 词语组成解析
n. 过滤\\n[化] 过滤
🗣️ 情景例句
Have you ever done any work in this field?
你曾经干过这一行吗？
You really don't have anything to apologize for.
你真的没什么可道歉的。
We have all experienced days when everything goes wrong.
我们大家都有过事事不顺心的日子。