Uasb
abbr. upflow anaerobic sludge blanket 升流式厌氧污泥床
🗣️ 情景例句
There's a note for you on the refrigerator.
冰箱上有她留给你的字条。
You're wasting you breath.
你在白费口舌。
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他们杀野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。