Máomaochóng tuìbiàn wéi húdié, shì dàzìrán de qíjì.
A caterpillar metamorphosing into a butterfly is a miracle of nature.
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memory
蜕 means 'to shed skin (like a snake or insect)' - 蜕变 is literally 'to shed and change', like an insect emerging from its old shell. A powerful metaphor for personal or social transformation.