phototropic glass[玻璃] 光色玻璃
phototropic dyes光变性染料
phototropic fiber光敏变色纤维
phototropic face向光面
phototropic curvant向光弯曲
phototropic dyeing光变性染色
phototropic materials光致变色材料
phototropic bacteria向光细菌
phototropic stimulus趋光性刺激