[mass noun]the height of an object or point in relation to sea level or ground level (物体)高度,(相对海平面或地平面的)海拔,高度 flight data including airspeed and altitude. 包括风速和高度的飞行数据。 [count noun]flying at altitudes over 15,000 feet. 在15,000英尺以上的高度飞行。 ■great height 高地 the mechanism can freeze at altitude. 机械装置在高海拔地区会冻结。 ■(Astronomy)the apparent height of a celestial object above the horizon, measured in angular distance (天文)(天体在地平线上的)角距 ■(Geometry)the length of the perpendicular line from a vertex to the opposite side of a figure (几何)顶垂线
派生 altitudinal adjective 语源
late Middle English : from Latin altitudo, from altus 'high'