Biodegradation
生物降解
🗣️ 情景例句
Please go over it and see if everything is in order.
请再过目一下，看看是否都符合规定。
If you attend the formal dancing party, what would you wear?
如果你参加隆重的舞会，你会穿什么衣服？
After you printed the book, you had to throw away the carved pieces of wood.
你把书印出后，不得不把刻过的一片片木板扔掉。