any of the tubes carrying blood from the heart to all parts of the body 动脉. Cf 参看 vein. 
important route for traffic or transport, eg a road, railway line or river 干线（交通或运输的重要路线, 如公路﹑ 铁路线或河流）.
/ 5B:tErI; `BrtErI/ n any of the tubes carrying blood from the heart to all parts of the body 动脉. Cf 参看 vein. important route for traffic or transport, eg a road, railway line or river 干线（交通或运输的重要路线, 如公路﹑ 铁路线或河流）.