单词学习：photochromic polymer 材料科学/化学
photochromic polymer
/ˌfoʊtoʊˈkroʊmɪk ˈpɑːlɪmər/
光致变色聚合物
Gu Laoshi explained that photochromic polymer is used in smart windows that automatically adjust their tint based on sunlight intensity.
顾老师解释说，光致变色聚合物被用于智能窗户，能根据阳光强度自动调节色调。
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