名词中文翻译1
中文翻译：Unknown
同义词：
['dark fringe', "dark edge例句：1. The dark Fraunhofer line in the sky is a reminder of the night's coming.（天空中的暗弗劳恩霍夫线是夜晚即将到来的提醒。）"]
例句：
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1. The dark Fraunhofer line in the sky is a reminder of the night's coming.
天空中的暗弗劳恩霍夫线是夜晚即将到来的提醒。
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2. The dark Fraunhofer line on the horizon is a sign of approaching storms.
地平线上的暗弗劳恩霍夫线预示着暴风雨的到来。
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3. The dark Fraunhofer line in the forest was a sign of danger ahead.
森林中暗弗劳恩霍夫线预示着前方的危险。