英语词汇protaspides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	protaspides
释义	protaspides 简明释义 n．原头甲：古生物学术语，指三叶虫幼虫发育过程中的第一个阶段，此阶段三叶虫的头甲尚未完全发育。
随便看	subsequent yield surface subsere subseries subserosa subserosal subserosus plexus subserous subserous anesthesia subserous coat subserous layer subserous layer of peritoneum subserous myoma subserous plexus subserous tissue Subserous tissue of pelvic peritoneum Subserous tissue of peritoneum Subserous tissue of visceral peritoneum subserrate subserve subserved subserve subservience subservience subserviency subserviency

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。