Microfiltration
[化] 微孔过滤; 微量过滤
🗣️ 情景例句
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
Would you care to take a seat while I make out a receipt?
请坐一会儿好吗？我给您开个收据。
Think carefully before you act.
三思而后行。