Filtration underground
[医] 地下过滤
🧩 词语组成解析
n. 过滤\\n[化] 过滤
🗣️ 情景例句
I don't like to waste my time chatting on the net.
我不想把时间浪费在网络聊天上。
I did exercise last week.
我上星期做练习。
To such motives, yet another must be added.
除了以上动机外，还应再加上一个。