将光的现象与原理用线连接起来

杯弓蛇影                                                海市蜃楼

凿壁偷光                光的直线传播                立竿见影

镜花水月                光的折射                坐井观天

一叶障目                光的反射                水中折筷

日食月食                                                形影不离