circulate是动词，又环流、循环、传播、流传、散布、传送、传递、传阅等等意思。
还可以用作第三人称单数： circulates。
现在分词： circulating。
过去式： circulated。
过去分词： circulated。
例如：the document was previously circulated in new york at the united nations.
这份文件先前在纽约的*总部传阅过。
rumours were already beginning to circulate that the * might have to be abandoned.
已传出谣言说，该项目可能会*取消。
cooking odors can circulate throughout the entire house.
做饭的香味可以传到家里的各个角落。