英语词汇“primary reference material”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	primary reference material
释义	primary reference material 基本标准物质
随便看	dog spike floating dog spike loosening dog spike push out dog's prick dogs running before their master dog's show dog's-tail dogstail dog's-tail grass dog's-tail grasses dogstar Dog Star dog-star dog stars dog stay dog's teeth dogs-teeth dog steps dog ... steps Dogs that put up many hares kill none. dog stick dog stiffener dog stinkhorn dog stinkhorns dog-stone pzyl pzyy pzyz pzzc pzzs pzzt pzzz qagl qatm qbax 筹思筹拍筹拨筹措筹款筹略筹码筹码儿筹祺筹策