参考例句

1. Headroom and legroom upfront is ample, however in the rear due to the sunroof, which comes standard on the premium grade, headroom space is at a premium.
头部和腿部空间前期充分的，但是在后方由于天窗，这是标准的优质等级，余量空间变得异常珍贵。
2. There is not enough headroom for buses to go under this bridge.
下面的净空高度不够，公共汽车不能通行。
3. This arrangement is used where there is little headroom, as in trucks, buses, and rail cars.
这种气缸排列通常用在头部空间很小的机动车上，如货车、公共汽车以及有轨电车上。
4. Digital recorders and samplers produce audible distortion when they exceed their headroom (i. e.
当数字记录和数字采样器器超过了它们的空间时会产生可闻失真（）。
5. Digital recorders and samplers produce audible distortion when they exceed their headroom (i. e.
当数字记录和数字采样器器超过了它们的空间时会产生可闻失真（）。

网络释义

headroom
净空高度; 动态余量，动态范围上限，电平储备; 通行高度; 室内球场上无障碍物的空间;
headroom headway
层高，净空;
Max Headroom
限高;
headroom height
电梯术语]顶层高度;
well headroom
井道顶部;