英语词汇proctodeum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	proctodeum
释义	proctodeum 简明释义原肛 [动] 肛道网络释义 1 [动]?肛凹 ... 索前板 prochordal plate 肛凹 proctodeum 前脑 prosencephalon ... 2 ?原肛原肛短语 1 Rectum proctodeum Carcinoma 直肠肛管癌双语例句 1 In the course of development, the invagination of stomodeum occurs earlier than that of proctodeum at the third and the sixth nauplius stages respectively. 在发育过程中，口凹是在第三期无节幼虫时内陷形成，而原肛是在第六期无节幼虫时内陷形成的，所以口凹的发生早于原肛的发生。
随便看	think good to do think group think hard think hardly of think hard of think highly of think highly of sb think highly of sth thinki think ill of think ill of sb thinkin thinkin' think-in thinking thinking thinking ability thinking abnormal think about thinking about you think ahead thinking aloud Thinking back thinking bank thinking being

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。