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
Sorry, Marilyn.
对不起 ，Marilyn 。
A horse that will not carry a saddle must have no oats.
不愿加鞍的马，不得吃燕麦。
A few moments later
过了一会儿