昆虫和甲壳纲动物产生的类固醇激素，以促进生长，控制蜕皮。

A steroid hormone produced by insects and crustaceans that promotes growth and controls molting.

youdao

昆虫和甲壳纲动物产生的类固醇激素，以促进生长，控制蜕皮。

A steroid hormone produced by insects and crustaceans that promotes growth and controls molting.

youdao