常见例句The measurements of the room are 20 feet by 15 feet.这房间的面积是20英尺乘15英尺。We are flying at an altitude of 20000 feet.我们的飞行高度是20000英尺。We're flying at 35000 feet.我们飞行的高度是35000英尺。The plane climbed to 20000 feet.飞机上升到20000英尺。 返回 foots