Uasb
abbr. upflow anaerobic sludge blanket 升流式厌氧污泥床
🗣️ 情景例句
I always cry at weddings.
我在婚礼上老是哭。
The dainties of the great are the tears of the poor.
大人物的美味是穷人的眼泪。
However, a few days later, he was told that a mistake had been made.
然而，几天之后，有人告诉他说弄错了。