词汇“公元”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	公元
释义	公元公元[gōng yuán]1.■the Christian era:公元1991年A.D. 1991;公元前221年221 B.C.
随便看	oxidation oxidation accelerator oxidation catalysis oxidation channel treatment oxidation discharge printing oxidation ditch oxidation efficiency oxidation-fermentation medium oxidation haze oxidation-inhibited grease oxidation-inhibited oil oxidation inhibitor oxidation loss oxidation magnet oxidation of lubricating oil oxidation of odo(u)r by ozone oxidation panel oxidation pond oxidation pond process oxidation preventive oxidation process oxidation process of ammonia oxidation products oxidation promoter oxidation reaction

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