circulation的中文意思、音标与词形变化

n. 流通, 循环, 发行量 [化] 环流

n. the dissemination of copies of periodicals (as newspapers or magazines) n. movement through a circuit; especially the movement of blood through the heart and blood vessels n. (library science) the count of books that are loaned by a library over a specified period n. number of copies of a newspaper or magazine that are sold