to go around or through something, or to make something go around or through something(使)循环;(使)流通;(使)传递;(使)散布
Hot water circulates through the heating system.热水在供暖系统中循环。
I've circulated a good luck card for everyone to sign.我拿了一张好运卡传着让每个人都签名。
to move around at a party, etc., talking to different people (在聚会上)周旋
I try to circulate at a party and not just stay with the friends I came with.聚会上我尽量来回周旋广交朋友,而不仅仅只和跟我一道来的朋友们在一起。