单词：Radiata
音标：['reidieitә] ；
(无脊椎)辐射动物
n. pl. An extensive artificial group of invertebrates, having
all the parts arranged radially around the vertical axis of the body,
and the various organs repeated symmetrically in each ray or
spheromere.
all the parts arranged radially around the vertical axis of the body,
and the various organs repeated symmetrically in each ray or
spheromere.
词型变化：名词复数形式 : radiatas