Archiannelida
[ɑ:kiə'nelidə]
解释:
(n. pl.) A group of Annelida remarkable for having no external segments or distinct ventral nerve ganglions.
录入:卢卡斯
[ɑ:kiə'nelidə]
(n. pl.) A group of Annelida remarkable for having no external segments or distinct ventral nerve ganglions.
录入:卢卡斯