outside lane

剑桥词典

outside lane noun (ROAD)

[ 單數名詞 ] UK (informal outside)
the part of the road nearest the vehicles going in the opposite direction , used especially by faster vehicles
（尤指快車行駛的）外車道，快車道
She cruised by at 160 kilometres per hour on the outside/in the outside lane . 她在外車道上以160公裡的時速飛馳。
[ 可數名詞：有複數形式的名詞 ] US
the part of the road nearest the edge , especially used by slower vehicles
（尤指慢車行駛的）外車道，慢車道

outside lane noun (RACE TRACK)

[ 單數名詞 ]
the part of a race track that is furthest from the centre
（跑道的）外圈，外道 返回 outside lane