名词
中文翻译：毛虫
同义词：
['worm', 'caterpillar']
例句：
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1.The caterpillar is the first stage of a butterfly's life cycle.
毛毛虫是蝴蝶生命周期的第一个阶段。
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2.The caterpillar eats leaves and turns into a cocoon to prepare for adulthood.
毛毛虫吃叶子，然后变成蛹准备成年。
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3. The caterpillar's exoskeleton is made up of chitin, which is a type of protein.
毛毛虫的外骨骼由一种叫做蛋白质的物质组成。