长脚蝇的蛆

例句：

1. 1. The caterpillars are transforming into butterflies.
   这些毛毛虫正在变成蝴蝶。
2. 2. The larva of the moth is a common insect.
   蛾的幼虫是一种常见的昆虫。
3. 3. Larvae are the first stage of many insects.
   许多昆虫的第一阶段是幼虫。