名词
中文翻译：极光云同义词
同义词：
['aurora', 'auroras']
例句：
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1. The sky was filled with the beautifulnoctilucent clouds.
天空被美丽的极光云所充满。
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2. The noctilucent clouds were so brightthat they could be seen from space.
这些极光云如此明亮，以至于可以从太空中看到它们。
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3. The noctilucent clouds reminded me of the wonders of nature.
这些极光云让我想起了大自然的奇迹。