低等动物 dīděngdòngwù lower animal Definitions Defs Origin Strokes Stroke Words Sentences Sents 低等动物 低等動物 dīděngdòngwù lower animal an animal with a simple body structure and no backbone, often lacking distinct tissues or organs; primitive life-form
低等动物 低等動物 dīděngdòngwù lower animal an animal with a simple body structure and no backbone, often lacking distinct tissues or organs; primitive life-form
