基本解释n.[动]原肾管；原肾同根派生 protonephridium相关词英汉例句The protonephridium of Moniezia expansa (Cestoda: Cyclophyllidea), with comments on the protonephridium concept 扩张莫尼茨绦虫(绦虫纲:圆叶目)的原肾管及原肾管概念的评述protonephridium更多例句