circulation

noun

1. 血液循环
   the movement of blood around the body
   1. Regular exercise will improve blood circulation.
      经常锻炼会促进血液循环。
   2. to have good/bad circulation
      血液循环良好 / 不畅
2. 传递；流传；流通
   the passing or spreading of sth from one person or place to another
   1. the circulation of money/information/ideas
      货币的流通；消息的传播；观念的流行
   2. A number of forged tickets are in circulation .
      有一些假入场券在流通。
   3. The coins were taken out of circulation .
      这种硬币已停止流通。
   4. Copies of the magazine were withdrawn from circulation .
      这期杂志有不少已从市场上收回。
3. （某段时间的）社交活动，交际
   the fact that sb takes part in social activities at a particular time
   1. Anne has been ill but now she's back in circulation .
      安妮一直生病，但现在又回来参加社交活动了。
   2. I was out of circulation for months after the baby was born.
      孩子出生后我有几个月都没有参加社交活动。
4. （报刊）发行量，销售量
   the usual number of copies of a newspaper or magazine that are sold each day, week, etc.
   1. a daily circulation of more than one million
      日发行量超过一百万份
5. （气、水等的）环流，循环
   the movement of sth (for example air, water, gas, etc.) around an area or inside a system or machine

1. N-COUNT (报纸、杂志的)发行量，销售量
   The circulation of a newspaper or magazine is the number of copies that are sold each time it is produced.
   1. The Daily News once had the highest circulation of any daily in the country...
      《每日新闻报》的发行量曾位居全国所有日报之首。
   2. The paper has proved unable to maintain its circulation figures.
      事实证明这家报纸难以维持其发行量。
2. N-UNCOUNT 血液循环
   Your circulation is the movement of blood through your body.
   1. Anyone with heart, lung or circulation problems should seek medical advice before flying.
      有心肺疾病或血液循环问题的人在乘坐飞机前应寻求医生建议。
   2. ...cold spots in the fingers caused by poor circulation.
      血液循环不畅导致的手指上的冻疮
3. See also: circulate
4. PHRASE (货币等)流通/不流通/退出流通
   If something such as money is in circulation, it is being used by the public. If something is out of circulation or has been withdrawn from circulation, it is no longer available for use by the public.
   1. The supply of money in circulation was drastically reduced overnight.
      流通领域的货币供应量一夜骤减。
   2. ...a society like America, with perhaps 180 million guns in circulation.
      像美国这样一个约有1.8亿支枪流散在外的社会
   3. ...the decision to take 50 and 100 ruble bills out of circulation.
      让面值为50卢布和100卢布的两种纸币退出流通的决议
5. PHRASE (一段时间)不出现在公共场合，不参加社交活动;坐牢;服刑
   If someone is out of circulation, they do not appear in public or at social gatherings for a period of time. You can also say that someone is out of circulation when they are in prison.
   1. Political trials were being used to keep prominent activists out of circulation...
      通过对著名活动家进行政治审判使其从公众视线中消失。
   2. I had been out of circulation for a month and knew that many friends would be there.
      我有一个月深居简出，不过我知道许多朋友正等着我。

1. While other newspapers are losing circulation, we are bucking the trend
   当其他报纸的发行量越来越少时，我们却逆势而进。
2. The Daily News once had the highest circulation of any daily in the country
   《每日新闻报》的发行量曾位居全国所有日报之首。
3. The paper has proved unable to maintain its circulation figures.
   事实证明这家报纸难以维持其发行量。
4. Anyone with heart, lung or circulation problems should seek medical advice before flying.
   有心肺疾病或血液循环问题的人在乘坐飞机前应寻求医生建议。
5. The supply of money in circulation was drastically reduced overnight.
   流通领域的货币供应量一夜骤减。
6. Political trials were being used to keep prominent activists out of circulation
   通过对著名活动家进行政治审判使其从公众视线中消失。
7. I had been out of circulation for a month and knew that many friends would be there.
   我有一个月深居简出，不过我知道许多朋友正等着我。
8. The combination of sex and treachery proved a copper-bottomed circulation booster
   事实证明，性和背叛的话题结合起来无疑大大增加了发行量。
9. Lemon juice can help to prevent economy-class syndrome by improving blood circulation.
   柠檬汁能够改善血液循环，有助于预防经济舱综合征。
10. Exercise is very important as it keeps the circulation moving and warms the extremities.
    锻炼非常重要，它可以促进血液循环，保持手脚温暖。
11. Massage is used to relax muscles, relieve stress and improve the circulation
    按摩可以使肌肉放松，缓解压力和促进血液循环。
12. Circulation is much more sluggish in the feet than in the hands.
    脚部的循环比手部的循环缓慢得多。
13. A cool shower wakes up the body and boosts circulation.
    冷水澡可以刺激身体，促进血液循环。
14. Harvey discovered the circulation of the blood.
    哈维发现了血液的循环。
15. The circulation of gossip is vicious.
    传播流言蜚语是可恶的。
16. We must constantly adjust the amount of money in circulation.
    我们必须对货币的流通不断进行调节。
17. His father has a bad circulation.
    他父亲血液循环不好。
18. The commodity circulation is poor.
    商品流通渠道不畅。
19. The circulation of funds has broken down.
    资金流转失灵。
20. A number of forged banknotes are in circulation.
    市面上有一定数量的***在流通。
21. Consequently, the reciprocity between transaction efficiency and circulation efficiency is a positive-feedback process.
    因此，交易效率和流通效率的相互作用是一个正反馈过程。
22. An animal's heart keeps up the circulation of the blood by alternately contracting and expanding.
    动物的心脏通过交替收缩和扩张保持血液循环。
23. Further reforming and perfecting the grain circulation system.
    进一步改革与完善粮食流通体制。
24. The diurnal cycle in circulation and cloudiness over the Subtropical Southeast pacific: a modeling study.
    副热带东南太平洋环流和云量的日循环：模拟研究。
25. We observed the circulation of blood in frogs.
    我们观察了青蛙的血液循环。
26. Microcirculation is the blood circulation between arteriole and veinule.
    微循环是指微动脉和微静脉之间的血液循环。
27. Heat transfer in a gas or liquid by the circulation of currents from one region to another.
    气体或液体中通过从一层到另一层的气流（或水流）循环进行的热传递。
28. In biology class we learned about digestion, respiration, circulation, and etc.
    在生物课上，我们了解了消化，呼吸，循环，和等。
29. He suggested the circulation of the blood.
    他间接提出了血液循环学。
30. This paper empirically studies the stock price effect of restricted share's circulation by using the event study.
    本文运用事件研究法对限售股上市流通的股价效应进行了实证研究。

noun

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

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

3. free movement or passage (as of cytoplasm within a cell or sap through a plant)
   1. ocean circulation is an important part of global climate
   2. a fan aids air circulation

4. movement through a circuit

5. number of copies of a newspaper or magazine that are sold
   1. by increasing its circulation the newspaper hoped to increase its advertising

6. (library science) the count of books that are loaned by a library over a specified period