Biosolids
n. 生物固體（從處理過廢水中取得的固體或半固體材料, 常用作肥料）
??? 情景例句
It's all right with me
我沒有問題。
Self-trust is the essence of heroism.
自信為英雄品質(zhì)之本。
'A fire extinguisher, my dear,' answered the Ambassador drily.
“滅火器弄的，親愛的，”大使冷冷地回答，