crawl space

1. N-COUNT A crawl space is a narrow space under the roof or floor of a building that provides access to the wiring or plumbing. 爬行空间; 建筑物的屋顶或地板下供电线或水管通过的槽隙[美国英语]

They ran a cable from their machine through a crawl space between the basement and the stage. 他们从他们的机器接出了一根通过地下室和舞台间爬行空间的电缆。