名詞
1.[C,U]血液循環(huán)
2.不可數(shù)名詞：流傳，傳播；流通
3.可數(shù)名詞：報(bào)紙、雜志等售出的份數(shù)，發(fā)行額，銷售量 英語(yǔ)解釋

(pbrary science) the count of books that are loaned by a pbrary over a specified period

movement through a circuit; especially the movement of blood through the heart and blood vessels

number of copies of a newspaper or magazine that are sold

the spread or transmission of something (as news or money) to a wider group or area

free movement or passage through a series of vessels (as of water through pipes or sap through a plant)

the dissemination of copies of periodicals (as newspapers or magazines)

in circulation 流通著傳播著

circulation by circulation 泵循環(huán)

out of circulation with 不參與,不與…往來

circulation distribution 環(huán)流分布

circulation flow 環(huán)流

circulation pattern 環(huán)流型

circulation principle 環(huán)流原理

circulation rate 循環(huán)倍率

circulation volume 循環(huán)容量，循環(huán)血量

compensatory circulation 側(cè)支循環(huán)

circulation n.1.[C,U]血液循環(huán)2.[U]流傳，傳播；流通3.[C]報(bào)紙、雜志等售出的份數(shù)，發(fā)行額，銷售量

counter circulation 反環(huán)流

self circulation 自循環(huán)

through circulation 連續(xù)環(huán)流

force circulation 壓力循環(huán)