2月24日晴你们都会跳绳吧?一根绳子除了可以玩,还能干什么呢?我悄悄告诉你,绳子还能做净水器呢!我做了一个小实验。首先,我在一个装满水的瓶子里加一点面粉,轻轻搅拌一下,让它变得雪白雪白的,好像蒙了一层雾,你永远无法看清里面有什么。然后在底下剪一个和芝麻一样大小的洞,把又长又细的棉绳用力塞进去,再立刻拿一个杯子来接上水…… February 24 clear you will skip rope? A rope in addition to play, what can I do? I quietly tell you that the rope can do a water purifier! I made a small experiment. First, I added a little flour to a bottle full of water, gently stirring it, making it white and snowy, as if misty, you could never see what was inside. Then cut a hole of the same size as the sesame seeds underneath and force it into the long, thin cotton rope, then immediately take a cup to pick up the water ...