circulate|circulated|circulates

这台空调可以很好地让冷气在房间内循环。

This air conditioner helps to ___circulate cool air throughout the room.

这份公告将在公司内部广泛传阅。

This notice will be ___circulated widely within the company.

血液在血管中循环流动。

Blood ___circulates through the blood vessels.