Uasb
abbr. upflow anaerobic sludge blanket 升流式厌氧污泥床
🗣️ 情景例句
Some people are afraid of flying, which limits their options when traveling.
一些人十分害怕坐飞机，这也就限制了他们旅行时的选择了。
I appreciate your efforts and cooperation and hope that this will be the forerunner of other transactions in future.
非常感谢贵方的努力与合作，希望这只是我们今后业务往来的开端。
It is impossible to make more than the wildest guess at how many they kill, but they are hungry creatures, not content with only three meals a day.
它们一年中消灭了多少昆虫，我们简直无法猜测，它们是吃不饱的动物，不满意一日三餐。