彩虹不易见,所以显得宝贵,见到它还可以给我们带来好的心情。那么,你想不想自己亲手利用现实生活中的一些常见的物品来自己制造彩虹呢?首先,我教大家获得彩虹的一个最简单方法。在一个阳光明媚的日子,当阳光透过窗户照射到阳台或者屋子里面,在阳台上放置一张凳子,用一个透明的玻璃或者塑料杯盛大半杯自来水,然后就可以轻而易举的获得如图1所示的彩虹。这个清晰的彩虹,虽然不能完全模拟天空中的水滴形成彩虹的 The rainbow is not easy to see, so it is precious, and seeing it can bring us a good mood. So, do you want to make your own rainbow by using some common objects in your life? First of all, I teach you one of the easiest ways to get a rainbow. On a sunny day, when the sun shines through the windows onto the balcony or inside the house, a stool is placed on the balcony, and a half glass of tap water is poured out in a transparent glass or plastic cup, which can then be easily obtained as shown in Figure 1. Show the rainbow. This clear rainbow, although it cannot completely simulate the formation of rainbows in the sky