outflow

中文： 流出、外流

1. The process of flowing out. (countable, uncountable)
2. A fluid that flows out. (countable, uncountable)
3. Any outward movement. (countable, uncountable)
4. A stream of gaseous material emanating from an active galactic nucleus. (countable, uncountable)
5. The part of a system that allows material to flow out. (countable, uncountable)
6. Something that flows out of a sewage treatment plant. (countable, uncountable)

复数 outflows