circulation

血液循环；（资料、货币等）流通英释nnthe movement of blood around your body

The new technological revolution in American newspapers has brought increased ______, a wider range of publications and an ex-pansion of newspaper jobs.句意： 美国报业的新科技革命提高了发行量， 增加了报类品种， 扩大了就业机会。manipulation： 操作， 控制； reproduc-tion： 再现； 复制； penetration： 渗透。314penetration

1 blood circulation,血液循环，血循环

2 in circulation,在流通中；在从事社交活动的

3 water circulation,冷水环流；水流循环

4 lost circulation,井漏；循环液漏失

5 air circulation,空气循环；空气环流

6 reverse circulation,反循环；逆行循环

7 natural circulation,自然循环

8 commodity circulation,商品流通

9 general circulation,环流；大气环流

10 atmospheric circulation,大气环流；大气循环

11 systemic circulation,体循环

12 circulation pump,循环泵

13 internal circulation,内循环

14 circulation cooling,循环冷却

15 circulation process,循环流程

16 extracorporeal circulation,[外科学]体外循环

17 closed circulation,闭合环流，封闭环流；闭锁循环，闭型循环

18 circulation rate,循环率

19 circulation department,流通阅览部；发行部

20 pulmonary circulation,肺循环；小循环

1 真题例句...Multiply $3 by the more than 5 billion magstripe credit and prepaid cards in circulation in the US...第三套CET62015.6阅读理解

2 真题例句...a student stands before the circulation desk...第三套CET62014.12写作题

1 Exercise improves the circulation..运动能促进血液循环。

2 The Treasury Department plans to remove older coins from circulation and replace them with new ones..财政部打算收回市面上流通的旧版硬币，以新版取代。