circulation

英 [s??kj?'le??(?)n] 美[,s?kj?'le??n]
  • n. 流通，傳播；循環(huán)；發(fā)行量

詞組搭配

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.

有大量錄像材料流通。