of or relating to an artery or arteries (与)动脉(有关)的 ■denoting an important route in a system of roads, railway lines, or rivers (公路、铁路或河流中)干线的,主干的 one of the main arterial routes from York. 从约克市发出的干线之一。
语源
late Middle English : from medieval Latin arterialis, from Latin arteria (see artery)