Uasb
abbr. upflow anaerobic sludge blanket 升流式厭氧污泥床
??? 情景例句
There's a note for you on the refrigerator.
冰箱上有她留給你的字條。
You're wasting you breath.
你在白費口舌。
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他們殺野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。