noun下载🔗分享反射率,反射系数 The ratio of the flux reflected to that incident on a surface.例子:"The white paint's high reflectance made the classroom brighter by bouncing back most of the light that hit the walls. "这种白色油漆具有很高的反射率,能够将照射到墙壁上的大部分光线反射回去,使教室更加明亮。physicssciencematerialappearanceenergy与AI对话词汇游戏阅读练习