英汉词典

1. 车辆;交通工具;运输工具
    A vehicle is a machine such as a car, bus, or truck which has an engine and is used to carry people from place to place.

    e.g. The vehicle would not have the capacity to make the journey on one tank of fuel.
           这辆车单靠一箱燃料无法跑完整趟旅程。
    e.g. ...a vehicle which was somewhere between a tractor and a truck.
           一种介于拖拉机和卡车之间的机动车

2. （实现目的的）工具，手段,媒介
    You can use vehicle to refer to something that you use in order to achieve a particular purpose.

    e.g. Her art became a vehicle for her political beliefs...
           艺术成了她表达政治信仰的工具。
    e.g. The vehicle that permitted both communication and acceptability was social revolution.
           既能实现交流又能被广为接受的手段就是社会革命。