Saprobity
n. [生]水生环境腐殖(程)度
🗣️ 情景例句
Is this your very first advanced aerobics class?
这是你第一次上有氧运动高级班吗？
I heard you'd been sick.
听说你身体不舒服。
I spent the whole day in my room, but I did not write a single card!
我在房间里关了整整一天。然而竟连一张明信片也没写成！