movement to and fro or around something, especially that of fluid in a closed system
(尤指在封闭系统内液体)来回运行;循环,环流
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an extra pump for good water circulation .为优质水循环而设的附加水泵。
the continuous motion by which the blood travels through all parts of the body under the action of the heart
血液循环。
the movement of sap through a plant
(植物内的)树液流动。
the public availability or knowledge of something
流传;传播
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his music has achieved wide circulation .他的音乐广为流传。
the movement, exchange, or availability of money in a country
(货币的)流通
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the new-look 10p coins go into circulation today .新版10便士硬币今天投入流通。
[in sing.]the number of copies sold of a newspaper or magazine
(报纸、杂志的)销量
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the magazine had a large circulation .这份杂志销量很大。
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in (或out of )circulation available (or unavailable) to the public; in (or not in) general use (不)在流通中;(不)在使用中there is a huge volume of video material in circulation . 有大量录像材料流通 -
used of a person who is seen (or not seen) in public (人)(不)在公众场合
Anne had made a good recovery and was back in circulation . 安妮恢复得很好,又出来活动了
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circulationn.来回运行;循环;环流;流传;传播;血液循环;树液流动;流通;销量
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calculationn.计算;估计;估定;评估
"late Middle English (denoting continuous distillation of a liquid): from Latin