柯林斯词典headroom /ˈhɛdˌrʊm/ 1. N-UNCOUNT Headroom is the amount of space below a roof or bridge. (屋顶或桥下的)净空 The forecabin, with 6ft headroom, also has plenty of room to stand and get dressed. 有6英尺净空的前舱也有足够大的空间供人站立和穿衣。 返回 headroom剑桥词典the amount of space below a roof or bridge （空间或桥梁的）净空高度 It's a small car but there's lots of headroom. 这是辆小型汽车，但它的内部空间很大。 返回 headroom