名词
中文翻译：高地
同义词：
['height', 'altitude']
例句：
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1. The mountain is located at an altitude of 2,000 meters above sea level.
这座山位于海平面2000米高。
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2. The astronauts were sent to the moon on a mission to explore the unknown.
宇航员被派往月球执行任务，探索未知领域。
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3. The plane was flying at an altitude of 5,000 feet.
飞机以5000英尺的高度飞行。