天蚕蛾

例句：

1. 1. The butterfly is a symbol of beauty and grace.
   蝴蝶是美丽和优雅的象征。
2. 2.The caterpillars are the stage for the butterflies to transform into.
   毛毛虫是蝴蝶变成的舞台。
3. 3.The spider catches insects with its web, just like a butterfly catching flies.
   蜘蛛用网捕捉昆虫，就像蝴蝶捕捉苍蝇一样。