(1)(血液等的)循环(flow of gas or liquid around a closed system，esp the movement of blood round the body from and back to the heart)[C，U]：have (with) (a) good/bad/poor～血液循环好/不好/不好;〖同〗flow，flowing，circling，rotation;

(2)流传(通)，传播(passing of sth such as news or money from one person or place to another;spread)[U]：the～of news/information/rumours消息/情报/谣言的传播;(forged notes/books)be in～(假币/书)在流通;put (decimal coins) into ～把(十进制硬币)投入流通;withdraw(pound notes)from～收回(一英镑的票子)不让其再流通;take sth out of～使不再流通;He's been in hospital but he's back in～now.(fig)他一直在住院，但现在又恢复社交活动了。〖同〗transmission;

(3)发行(量)，销售(量)(distribution of printed matter or its number of copies sold to the public)[C][N(of)]：(newspaper)claim/have a～of one million (copies) a day (a daily～of one million (copies))(报纸)宣称有/有100万份的日销量;have a wide～发行很广;The～of the paper has risen.这份报纸的发行量上升了。What is the～of the newspaper?这张报纸发行量有多少?～figures发行(销售)数字;〖同〗distribution;

←′circulate v