“蛹”怎么读

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幼虫变为蛹,然後再变成蝴蝶.A larva metamorphose into a chrysalis and then into a butterfly.蝴蝶由蛹孵化而出.The butterfly emerged from the pupa.蛹蛰伏在土壤中，直到冬天它们才蜕变成蛾子飞出来。The pupae remain dormant in the soil until they emerge as adult moths in ...