| 释义 |
低等动物 dīděng dòngwùlower-order animal低等动物dīděngdòngwùlower animalprimitive life-form低等动物【动】lower animal低等动物[dī děng dòng wù] 在动物学中，一般指身体结构简单、组织及器官分化不显著的无脊椎动物 lower animal form; invertebrate referred to in zoology as having bodies of simple structure, and tissues and organs of indistinct differentiation低等动物phr.lower animals[复]低等动物低等动物lower animal; invertebrate |