to go from one place to another, especially over a long distance 旅行；游历◆to travel abroad/overseas 出国旅行◆I travel a lot on business. 我经常出差。◆He travels over 40 miles to work every day. 他每天奔波 40 多英里去上班。
to go or move at a particular speed, in a particular direction, or a particular distance 行进；移动；传送；传播◆These vehicles can travel at up to 240 kph. 这些车辆时速可达 240 公里。