circulations的中文意思、音标与词形变化

n. 流通( circulation的复数形式 ); 血液循环; 发行量; （某段时间的）社交活动

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