单词 | circulation |
释义 | Word Frequency circulation(ˌsɜːkjʊˈleɪʃən) noun 1. the transport of oxygenated blood through the arteries to the capillaries, where it nourishes the tissues, and the return of oxygen-depleted blood through the veins to the heart, where the cycle is renewed 2. the flow of sap through a plant 3. any movement through a closed circuit 4. the spreading or transmission of something to a wider group of people or area 5. (of air and water) free movement within an area or volume 6. a. the distribution of newspapers, magazines, etc b. the number of copies of an issue of such a publication that are distributed 7. library science a. a book loan, as from a library lending department b. each loan transaction of a particular book c. the total issue of library books over a specified period 8. a rare term for circulating medium 9. in circulation |
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