[countable] a fixed way along which a bus, train, plane, etc. regularly travels or goods are regularly sent（公共汽车和列车等的）行驶路线，线路◆a bus/plane/shipping route公共汽车／飞机／航运线路◆The airline has 44 routes operating out of Heathrow.这家航空公司在希思罗机场之外经营着 44 条航线。 (IT 信息技术) the path that a piece of information (a packet) takes when it is directed from one computer system to another（计算机的）路径，路由