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

单词	certified reference material
释义	certified reference material　【化】有证标准物质
随便看	under the direction of under the disguise of under the doctor under the dominion of under the dominion of under the dotal system under the escort of under the escort of under the flag of under the flag of under the glare of the sun under the guardianship of under the guidance of under the guise of under the guise of under the guise of under the guise of under the guise of under the gun under the guns under the hammer under the hammer under the hammer under the hand of under the harrow

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。