artery
/ˈɑːtərɪ/noun
(pl. -ies)
1- any of the muscular-walled tubes forming part of the circulation system by which blood (mainly that which has been oxygenated) is conveyed from the heart to all parts of the body动脉。比较VEIN （义项1）。
1.1
- an important route in a system of roads, rivers, or railway lines（公路、河道或铁路中的）干线：
George Street, main artery of Edinburgh's Golden Mile.
乔治大街是爱丁堡黄金大道的主要路段。
词源
late Middle English: from Latin arteria, from Greek artēria, probably from airein 'raise'.