| 例句 |
Fans circulate the air.风扇使空气流通。Let's open the windows and get some circulation in here.我们把窗打开，让这里的空气流通一下。The attic has poor air circulation.阁楼的空气流通不好。Draughts help to circulate air.通风有助于空气流通。The pit is ventilated by a steel fan.矿井中用钢制通风机来保持空气流通。Her house is light and airy, crisp and clean.她的房子光线充足，空气流通，清新整洁。 |