名词
中文翻译：Unknown
同义词：
['change', 'variation', 'diversity例句：1. The species has undergone several variations since its discovery.（自从被发现以来，该物种已经经历了几次变化。）']
例句：
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1. The species has undergone several variations since its discovery.
自从被发现以来，该物种已经经历了几次变化。
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2.Variations in climate can affect the growth of crops.
气候变化会影响农作物的生长。
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3. The study focused on the genetic variations between different populations.
该研究关注不同群体之间的遗传变异。