Vaccinia

[væk'siniә]

解释:

(noun.) 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.

编辑:维尔玛--From WordNet

解释:

(n.) Cowpox; vaccina. See Cowpox.

手打:梅尔瓦