颜色分类：液滴芯片1,液滴芯片2,液滴芯片3,液滴芯片4,液滴芯片5,液滴芯片6,液滴芯片7,液滴芯片8,双层液滴
Color classification: droplet chip 1, droplet chip 2, droplet chip 3, droplet chip 4, droplet chip 5, droplet chip 6, droplet chip 7, droplet chip 8, double-layer drop