HomeDictionary预防免疫预防免疫Wordprophylactic inoculationTraditional預防免疫Copy wordyù fáng miǎn yìyu4fang2mian3yi4Hear itMeaningprophylactic inoculation CC-CEDICTCharacters in 预防免疫预yù防fáng免miǎn疫yì