circulate
/ˈsɜːkjʊleɪt/verb
1
- move or cause to move continuously or freely through a closed system or area（使）循环, （使）环流：
no obj. antibodies circulate in the bloodstream抗体在血流中循环
with obj. the fan circulates hot air around the oven.风扇鼓动热空气在炉子周围流通。
1.1
- no obj. move around a social function in order to talk to many different people在社交场合四处走动（以便与众人交谈）。
2
- pass or cause to pass from place to place or person to person（在人与人或地点与地点之间）（使）流通：
no obj. rumours of his arrest circulated他被捕的谣言四处传播
with obj. they were circulating the list to conservation groups.他们将名单在几个野生动物保护组织中传看。
2.1
- with obj.（常作be circulated）send copies of a letter or leaflet to (a group of people)给（一组人）散发（信函, 传单）：
tutors were circulated with the handout.
导师随散发的材料一起分配到各个小组。
派生词
circulative
adjectivecirculator
noun词源
late 15th cent. （as an alchemical term meaning 'distil something in a closed container, allowing condensed vapour to return to the original liquid'）： from Latin circulat- 'moved in a circular path', from the verb circulare, from circulus 'small ring' （see CIRCLE）. Sense 1 dates from the mid 17th cent.