Uasb
abbr. upflow anaerobic sludge blanket 升流式厌氧污泥床
🗣️ 情景例句
Oh, here he comes.
噢，他来了。
I'm afraid there's some sort of misunder standing.
这恐怕有一些误会。
I never heard of anyone making a'skeleton', as we were taught at school.
我从未听说过任何一位作家像我们在学校学的那样，动笔前先列什么提纲。