英语词汇Protodonata是什么意思，Protodonata的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。

单词	Protodonata
释义	Protodonata　原蜻蜓目
随便看	inner post inner pressure relief inner product inner product inner product computer inner product generator inner product of functions inner product of hyperspheres inner product of tensors inner product of vector inner quantum number instructional film instructional instruments instructional item instructional materials centre instructional medium instructional meeting instructional psychology instructional technology instructional television instructional workbench software instructions instructions instructions instructions