Mlss
[医][=mixed liquor suspended solid]（有机物和活性污泥）混合液中的悬浮固体
🗣️ 情景例句
Which newspaper do you read?
你看哪种报纸？
It won't happen again.
下不为例。
He has a nice sum of money put away.
他存了一大笔钱。