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
He has enormous funds at his command.
他掌握着巨额资金。
I want to thank you for inviting us to such an enjoyable Christmas party.
我对邀请我们出席这样一个快乐的圣诞晚会表示感谢。
It will be by special invitation only.
我们只邀请特别的客户