行驶 (车、船等) go; ply; travel 行驶速度 running speed; 超速行驶 drive above the speed limit; 在轻松地扬帆行驶 under easy sail; 船在水面上行驶。 boats sail on the water. 这种小汽车在山路上行驶得很好。 this car performs well on hills. 卡车向北行驶。 the truck is going north. 火车正以每小时50英里的速度行驶。 the train is going at fifty miles an hour