详细解释:n. 牛痘
【医】 牛痘
词型变化：
形容词:vaccinial英语解释：
名词 vaccinia:
a local infection induced in humans by inoculation with the virus causing cowpox in order to confer resistance to smallpox; normally lasts three weeks and leaves a pitted scar同义词：vaccina, variola vaccine, variola vaccinia, variola vaccina