这周,吴晓宇班上组织了一次秋游。在出游的途中,他们看到很多小区、街道和郊外的公园里,有不同的园丁正在修剪草坪和花草树木,使它们更有型、更整齐、更美观。“你们说秋天为什么要修剪草坪呢?仅仅是为了更好看吗?有没有别的原因?”刘一休非常好奇这个情况。这时,跟着他们一起来的时间机器告诉他:“秋天,降水量相对减少,干旱的时间比较长,园丁经常把长高的青草修剪到一定的高度,可以减少用水量。”“哦!原来是为了节约用水。”刘一休明白了。“不过我觉得挺好玩的!开着小型的割草机在草坪上来来回回地工作,然后,草就剪完了。”贾波特对割草机充满了兴趣。 This week, Wu Xiaoyu organized a autumn tour. On the way to their trip, they saw many communities, streets and parks in the suburbs where different gardeners are mowing lawns and plants and trees to make them more stylish, neat and beautiful. “Why do you say that the lawn should be mowed in the autumn? Just to look better? There is no other reason?” “Liu Yixiu very curious about this situation. At this time, the time machine along with them told him: ”In autumn, the relative decrease in precipitation and the prolonged drought have often caused gardeners to trim the tall grass to a certain height and reduce water consumption.“ Oh! The original is to save water. ”Liu a break understand. “But I think it’s fun! Drive a small lawn mower back and forth to work on the lawn and cut the grass.” "Jarport is interested in the mower.