vi.流通；循環(huán)；傳播
vt.使流通，使環(huán)流
Please open a window to allow the air to circulate. 打開窗子讓空氣流通。
Foreign money is not allowed to circulate in China. 外幣不允許在中國流通。
Money shall circulate freely within the common market. 貨幣應在共同市場內自由流通。
Blood circulates through the body. 血液在體內循環(huán)。
