名词
中文翻译：清除高度
同义词：
['clear height', 'cleared height例句：1. The mountain was cleared of snow during the winter.（冬天时，这座山被清理干净了。）']
例句：
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1. The mountain was cleared of snow during the winter.
冬天时，这座山被清理干净了。
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2. The climber cleared a clear height to reach the summit.
登山者清理出一条清晰的路线以到达山顶。
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3.The engineer cleared the cleared altitude for construction.
工程师清理出一块用于施工的空地。