名词
中文翻译：永久的
同义词：
['everlasting', 'perennial', 'indefinite例句：1. The perpetual sun shines on the earth without interruption.（永恒的太阳无休止地照耀着大地。）2. The perpetual snowfall has made the mountains look like a fairy tale.（连绵不断的降雪让山看起来如同童话世界。）']
例句：
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1. The perpetual sun shines on the earth without interruption.
永恒的太阳无休止地照耀着大地。
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2. The perpetual snowfall has made the mountains look like a fairy tale.
连绵不断的降雪让山看起来如同童话世界。
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3. The perpetual rain makes it difficult for people to work outdoors.
持续的雨使得人们难以在户外工作。