简单释义：

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n. 海拔；海拔高度；高程；（海拔高的）高处

网络 高空飞行；顶垂线

变形：

复数：altitudes  

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完整释义：

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n.

1.高,高度;海拔(高度)
2.〔数〕(三角形的)重线;高度;高线;〔天〕地平纬度;(地平)高度;高程;〔技〕标高;水位
3.〔空〕高空
4.高位,高等
5.高处
6.高地
7.海拨
8.【数学】顶垂线,高线
9.【天文学】地平纬度

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例句：

1. The High-altitude, long-endurance (HALE) Unmanned Aerial Vehicles (UAV) is used to carry out high reconnaissance or to head off missiles.
   高空长航时无人机主要执行战略侦察监视任务，也可用于空中预警、通讯中继、电子干扰、战区弹道导弹的拦截。

2. The three most useless things to a pilot are the altitude above you, runway behind you and a tenth of a second ago.
   对于飞行员来说，最没用的三件事：在你上面的高度、在你背后的跑道，以及刚过去的十分一秒。

3. The cooling effect of the wind and high altitude also prevented him from getting too warm.
   风的冷却作用和高空低温也让他不至于太热。

4. Given that broad, high-altitude view, let me now zoom in by proposing a specific program idea along the lines of what I'm talking about.
   给出这一宽泛的、高调的观点之后，让我通过提出一个具体的计划创意来说明我在本文中所谈论的观点。

5. He said the difficulties posed by operating at high altitude were not an excuse.
   他说在高海拔行动困难并不能作为一个借口。

6. Just a bit of pie-in-the-sky posturing of the sort that often occurs in high-altitude Davos?
   这不过是略微展现了一下“高屋建瓴”的达沃斯论坛时常会做出的空中画饼姿态？

7. And the low altitude of many Japanese mountains makes "boot-packing" (kicking your way up to a snow-covered peak) much easier.
   由于日本许多山脉位于低纬度地区，雪坡行走时采用踢步法（用脚踢出一条路一直到被白雪覆盖的峰顶）就更轻松。

8. Witnesses said the plane took off after the swing, seems to be trying to move up in altitude, then dive to the ground then crashed.
   目击者称，飞机起飞后摇摆不定，似乎是在试图拉升高度，随后便俯冲向地面坠毁。