Biodegradation
生物降解
🗣️ 情景例句
You'll feel better after a good night's sleep.
你好好睡上一觉就会好些。
He that cannot ask cannot live.
不会求者不会生。
I feel like going to a museum. It's too wet to go walking around London.
我想去博物馆。我们又不能绕着伦敦到处走走，地太湿了。