Biodeterioration
生物变质, 生物退化, 生物腐蚀
🗣️ 情景例句
I'm afraid i have a complaint to make.
恐怕我要提点意见。
Love is sweet in the beginning,but sour in the end.
爱情先甜后来酸。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。