单词	chroma-key
释义	chroma-key noun chro·​ma-key ˈkrō-mə-ˌkē  : a photographic compositing technique based on the separation of colors in the original images especially : blue screen sense 1 Word History First Known Use 1974, in the meaning defined above
随便看	halfas halfback isophotes isophotic line isophthalic acid Isophyllia isophyllous isophylly isopiestic isopiestics isoplastic graft isopleth isoplethic isopleths Isopleura isoploid isopluvial isopod Isopoda isopodae isopodan isopodans isopodas isopodiform isopodous

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