Level 4 · word 4,248 of 20,000
circulation
/ˌsɜːrkjʊˈleɪʃən/
American

- n. 流通, 循环, 发行量
- Definition
- n. the movement of something around a system, or the number of copies distributed
- Example
- Exercise improves blood circulation throughout your whole body.
- 运动能促进全身的血液循环。