/'sɜ:kjʊleɪt; `sɝkjə,let/
v
1 (a) [I, Ipr, Tn, Tn.pr] (cause sth to) go round continuously （使某物）循环
*Blood circulates through the body. 血液在体内循环.
(b) [I] move about freely 流通
*open a window to allow the air to circulate 开窗使空气流通.
2 [I, Ipr, Tn, Tn.pr] (cause sth to) pass from one place, person, etc to another （使某事物）流传, 传播
*The news of her death circulated (ie spread) quickly. 她死去的消息迅速传开.
* The host and hostess circulated (among their guests). 男女主人（在客人间）走来走去招待客人.
* circulate a letter 传阅信件.
3 [Tn] inform (sb) by means of a circular 发通知告知（某人）
*Have you been circulated with details of the conference? 你收到会议详情的通知了吗?

v
[Date: 1400-1500; Language: Latin;Origin: , past participle of circulare, from circulus; CIRCLE¹]
[I and T]
to move around within a system, or to make something do this
　Swimming helps to get the blood circulating through the muscles.
　Ceiling fans circulated warm air around the room.
[I]
if information, facts, ideas etc circulate, they become known by many people
　Rumours began circulating that the Prime Minister was seriously ill.
[T]
to send goods, information etc to people
　The group circulated petitions calling for a federal law to ban handguns.
[I]
to talk to a lot of different people in a group, especially at a party