larval stage

• 幼虫期,仔鱼期

larval stage的用法和样例：

例句

1. While in their larval stage, giant clams must swim and feed in the water column.
   当它们的幼虫期，巨蛤蚌必须游泳和喂养在水柱。
2. Peculiarities in the silkworm are known to appear at the corresponding caterpillar or cocoon stage.
   蚕体的性状，亦限于相当的幼虫期或蛹期出现。