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
Glad to see you. Good-bye.
很高兴见到你。再见。
Who undertakes many things at once, seldom does anything well.
许多事情同时干，一件事也办不成。
Her family are all music lovers.
她全家人都是音乐爱好者。