outside lane

剑桥词典

outside lane noun (ROAD)

[ 单数名词 ] UK (informal outside)
the part of the road nearest the vehicles going in the opposite direction , used especially by faster vehicles
（尤指快车行驶的）外车道，快车道
She cruised by at 160 kilometres per hour on the outside/in the outside lane . 她在外车道上以160公里的时速飞驰。
[ 可数名词：有复数形式的名词 ] US
the part of the road nearest the edge , especially used by slower vehicles
（尤指慢车行驶的）外车道，慢车道

outside lane noun (RACE TRACK)

[ 单数名词 ]
the part of a race track that is furthest from the centre
（跑道的）外圈，外道 返回 outside lane