- thaumatrope
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[thaumatrope 词源字典] - "A scientific toy devised in the 19th century, consisting of a disc with a different picture on each of its two sides, these appearing to combine into one image when the disc is rapidly rotated", Early 19th century: from Greek thauma 'marvel' + -tropos '-turning'.[thaumatrope etymology, thaumatrope origin, 英语词源]