circulation
英 [sɜːkjʊ'leɪʃ(ə)n]
美[,sɝkjə'leʃən]
- n. 流通,传播;循环;发行量
词组搭配
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。