Biodegradation
生物降解
🗣️ 情景例句
He is not very interesting to talk to.
跟他谈话没味道。
One drop of poison infects the whole tun of wine.
一滴之毒，毒染整桶之酒。
They have to work hard to support their family.
他们必须努力工作来支持他们的家。