Biosolids
n. 生物固体（从处理过废水中取得的固体或半固体材料, 常用作肥料）
🗣️ 情景例句
Lovely!
太可爱了！
Do you like going to see painting exhibition?
你喜欢参观画展？
I was standing at the back, so I couldn't see very well.
我站在后面，看不清。