名词中文翻译
中文翻译：自然寿命
同义词：
['life span', 'average lifespan', 'human lifespan例句：1. The study found that the natural lifespan of this species is around 20 years.（研究发现，这种物种的自然寿命大约是20年。）']
例句：
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1. The study found that the natural lifespan of this species is around 20 years.
研究发现，这种物种的自然寿命大约是20年。
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2. The average lifespan for humans is about 75 years.
人类的平均寿命大约是75岁。
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3.The researcher believes that the natural lifespan of this species could be significantly longer than previously thought.
研究人员认为，这种物种的自然寿命可能比之前认为的要长得多。