Bioaeration
生物通气, 生物充气, 生物曝气法, 活性曝气法
🗣️ 情景例句
What happened?
怎么样？
Beauty, unaccompanied by virtue, is as a flower without perfume.
美而无德犹如花之无香。
You may as well tell me the truth.
你还是把事实告诉我为好。