摘要
许多人都不喜欢昆虫,但大多数人都认为蝴蝶很美丽。蝴蝶有很多种类，它们利用色彩缤纷的翅膀飞行。不过，蝴蝶不只是看起来漂亮，对于环境也很重要。事实上，你如果看见蝴蝶，就表是那里的环境很健康。蝴蝶只能存活在良好、清净的环境里。
Many people don＇t like insects. But most people think butterflies are beautiful. There are many kinds ofbutterflies. They have colorful wings that they use to fly. But butterflies are not just pretty to look at. They are also important for the environment.
