| 正面 | 4207.vaccine 英 ['væksiːn; -ɪn]美 [væk'sin]     |
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| 背面 |      释义： 1、con- + -ceiv- + -e.2、含义：take (seed) into the womb, become pregnant, take into the mind.3. conceive vt.设想，构想出(主意，计划等) 【肯思悟】肯思悟你就能构想出好主意、计划等n. 疫苗；牛痘苗adj. 疫苗的；牛痘的 例句： 1. At present, no widely approved vaccine exists for malaria.目前，还没有被广泛认可的疟疾疫苗。 vaccine 疫苗来自拉丁语vacca,母牛，可能来自拟声词，词源同vaquero.疫苗义来自1800年，英国医生Edward Jenner发现了预防天花的技术，即通过把提取的牛痘病毒疫苗注射入健康人体内使之产生抗体，以激发人体的免疫系统，从而达到预防天花的目的。 vaccinevaccine: [18] Vaccine was adapted from Latin vaccīnus, which means literally ‘of a cow’ (it was a derivative of vacca ‘cow’, source of French vache). It was used by the British physician Edward Jenner at the end of the 18th century in the terms vaccine disease for ‘cowpox’, and hence vaccine inoculation for the technique he developed of preventing smallpox by injecting people with cowpox virus. The verb vaccinate was coined from it at the beginning of the 19th century, but vaccine itself was not used as a noun, meaning ‘inoculated material’, until the 1840s.vaccine (n.)"matter used in vaccination," 1846, from French vaccin, noun use of adjective, from Latin vaccina, fem. of vaccinus "pertaining to a cow" (see vaccination). Related: Vaccinal; vaccinic." |