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
Stay on that road, and you'll cross a blue bridge.
沿着路开下去 ，你会经过一座蓝色的桥。
A friend is best found in adversity.
患难见真友。
Don't be that way!
别那样！