柯林斯词典altitude /ˈæltɪˌtjuːd/ (altitudes) 1. N-VAR If something is at a particular altitude, it is at that height above sea level. 海拔高度 The aircraft had reached its cruising altitude of about 39,000 feet. 那架飞机已经达到了大约三万九千英尺的巡航高度。 返回 altitude剑桥词典height above sea level 海拔，海拔高度 We are currently flying at an altitude of 15,000 metres . 现在我们正在15000米的高度上飞行。 Mountain climbers use oxygen when they reach higher altitudes. 到了海拔较高的地方，登山者就要使用氧气。 返回 altitude