英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Tomopteris的结果
Tomopteris
(n.)
A genus of transparent marine annelids which swim
actively at the surface of the sea. They have deeply divided or forked
finlike organs (parapodia). This genus is the type of the order, or
suborder, Gymnocopa.