英语词汇petameter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	petameter
释义	petameter 简明释义 n.佩塔米：长度单位，等于10的15次方米，符号为Pm。词源 1 petameter: peta- +? meter. FROM: wiktionary
随便看	reflection error reflection event reflection external form reflection extrinsic attenuation reflection factor reflection factor meter reflection factor meter reflection factor reflection filament reflection filter reflection finder reflection flaw detector reflection flaw method reflection-free areas reflection-free configuration reflection fringes reflection function reflection gage reflection gain reflection gauge reflection geophone reflection glass reflection goniometer reflection grating reflection group

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。