breakdown lane
noun🔊/ˈbreɪkdaʊn leɪn/
🔊/ˈbreɪkdaʊn leɪn/
(US English) (British English hard shoulder)
a narrow piece of ground with a hard surface next to a major road such as a motorway or interstate where vehicles can stop in an emergency 硬路肩（在高速公路旁，可供紧急停车）