planarian

n. 涡虫, 真涡虫

pla.nar.i.an

n.（名词）
Any of various small, chiefly freshwater turbellarian flatworms of the order Tricladida, having soft, broad, ciliated bodies, a three-branched digestive cavity, and the ability to regenerate body parts.
涡虫：三肠目的主要生于淡水的小涡虫类扁形虫，具有柔软、宽阔、长纤毛和助消化的三叉腔以及再生身体其它部分的能力

来源：
From New Latin Pl3n3ria [genus name]
源自 现代拉丁语 Pl3n3ria [属名]
from feminine of Late Latin pl3n3rius [on level ground]
源自 后期拉丁语 pl3n3rius的阴性词 [地平线]
from pl3nus [flat] * see pel…- 2
源自 pl3nus [平的] *参见 pel…- 2