circulate
verb [ I or T ] uk/ˈsɜː.kjə.leɪt/ us/ˈsɝː.kjə.leɪt/
（使）循环;（使）流通;（使）传递;（使）散布
to go around or through something, or to make something go around or through something
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。
（在聚会上）周旋
to move around at a party, etc., talking to different people
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。