development by metamorphosis

例句：

1. 1. Thecaterpillar undergoes a remarkable metamorphosis into a butterfly.
   毛毛虫经历一次惊人的变态，变成了蝴蝶。
2. 2.During the metamorphosis of a caterpillar, it changes its body shape and color.
   在毛毛虫的变态过程中，它改变了身体形状和颜色。
3. 3. Metamorphosis is a fascinating process that occurs in nature.
   变态是一个令人着迷的过程，发生在自然界中。