circulation

名词 circulation:

1. the dissemination of copies of periodicals (as newspapers or magazines)
2. movement through a circuit; especially the movement of blood through the heart and blood vessels
3. (library science) the count of books that are loaned by a library over a specified period
4. number of copies of a newspaper or magazine that are sold
5. free movement or passage through a series of vessels (as of water through pipes or sap through a plant)
6. the spread or transmission of something (as news or money) to a wider group or area

1. The newspaper's circulation has trebled since last year.
   去年以来该报的发行量已增加到原来的三倍。
2. The old coins have been withdrawn from circulation.
   旧硬币已经收回不再流通了。
3. Harvey discovered the circulation of the blood.
   哈唯发现了血液循环。
4. These ideas have been in circulation for some time.
   这些想法已经流行了一段时间。
5. This magazine has a large circulation.
   这本杂志发行量很大。

cir.cu.la.tion

n.Abbr. circ.（名词）缩写 circ.
Movement in a circle or circuit, especially the movement of blood through bodily vessels as a result of the heart`s pumping action.
循环：沿环形或回路运动，尤指血液在心脏泵压作用下沿身体内血管的流动

Movement or passage through a system of vessels, as of water through pipes; flow.
流动：沿容器系统的运行或穿行，如水沿管道流动；流动
Free movement or passage.
自由移动或通行
The passing of something, such as money or news, from place to place or person to person.
流通，散布：一些事物从地区到地区或从人到人之间的传递，如金钱或消息

The condition of being passed about and widely known; distribution.
分配：被传向四方并广为人知的状态；分配
Dissemination of printed material, especially copies of newspapers or magazines, among readers.
散发：印刷品的散发，尤指在读者间报纸或杂志印刷品的散发
The number of copies of a publication sold or distributed.
发行量：卖出或分发的发行物的数量