Biodegradability
生物可降解性
🗣️ 情景例句
I'm tired of working all day.
我厌倦整天工作。
I've got a pain in my throat.
我的喉咙痛。
Some of us will die sooner, a few will live longer----on into a ninth or tenth decade.
有些人会死得早一些，少数人寿命会长一些--活到八十几岁或九十几岁，