The library increased its book circulation by 20% last year.
图书馆去年的图书流通量增加了20%。
Regular exercise improves blood circulation throughout the body.
定期锻炼可以改善全身的血液循环。
The newspaper has a daily circulation of over 100,000 copies.
这家报纸的日发行量超过十万份。
He is trying to increase the circulation of his magazine.
他正在努力增加他杂志的发行量。
Proper ventilation helps with air circulation in the room.
适当的通风有助于房间内空气的流通。
She needs to improve her leg circulation due to health issues.
由于健康问题，她需要改善腿部的血液循环。
The central heating system ensures even circulation of warm air.
中央供暖系统确保暖空气的均匀循环。
They discussed the circulation of currency in the economy.
他们讨论了经济中的货币流通。
There was a rumor in circulation about the company's merger.
关于公司合并的传闻正在流传。
The doctor checked the patient's blood circulation with a stethoscope.
医生用听诊器检查了病人的血液循环。
circulation desk 借还书处
library circulation 图书馆流通
circulation area 流通区域
air circulation 空气循环
circulation system 循环系统
circulation pump 循环泵
复数: circulations;
