“extra”的概念、定义、翻译、参考文献-科学参考

单词	extra
释义	extra 特级品附加附加的额外额外的额外附加物额外物
随便看	ramrod Ramsauer effect Ramsay-Hunt syndrome Ramsay Sound Series Ramsbottom coke test Ramsbottom safety valve ram schooner ramsdellite Ramsden Ramsden circle Ramsden ocular Ramsden's eyepiece ram seal Ramsey fringes Ramsey problem ram shaft ramshead ladyslipper (Cypripedium arietinum) ram's horn Ram's horn figure ramshorn hook Ramshorn test ram side ramson ram speed ram speed range selector

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。