幼虫

例句：

1. 1. The caterpillargrows into a butterfly.
   毛毛虫变成蝴蝶。
2. 2. The spider spins its webwith silk from its own body.
   蜘蛛用它自己的丝织网。
3. 3. Thecaterpillar is thefirst stage of a butterfly's life cycle.
   毛毛虫是蝴蝶生命周期的第一个阶段。