Uasb
abbr. upflow anaerobic sludge blanket 升流式厌氧污泥床
🗣️ 情景例句
No, not yet. What about you?
不， 还没有。你呢？
Which one is the longest river in China?
中国哪条河流最长？
He has deliberately chosen to lead the life he leads and is fully aware of the consequences.
他是故意在选择过那种生活的，并完全清楚以这种方式生活的后果。