Biodegradation
生物降解
🗣️ 情景例句
Where do I sign this?
我签在哪里？
When did you go cooking?
你什么时候去做饭？
That the equipment of modern camping becomes yearly more sophisticated is an entertaining paradox for the cynic,
现代露营装备一年比一年讲究，这对那些厌世嫉俗者来说是一件有趣的自相矛盾的事情。