名词
中文翻译：清晰区域
同义词：
['zone', 'clear area']
例句：
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1. The scientist has determined the clear zone around the volcano.
科学家已经确定了火山周围的清晰区域。
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2. During the clear zone, there is no interference from other sources of light.
在清晰区域，其他光源的干扰被消除了。
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3. The clear zone is where the air is free from pollution and pollutants.
清晰区域是空气没有污染和污染物的地方。