单词	pre-exposure
释义	pre-exposure /priːɪkˈspəʊʒə / /priːɛkˈspəʊʒə/ noun Previous or premature exposure to something, especially to a disease or infection: [as modifier]: pre-exposure vaccination... Smallpox vaccination is not recommended for children in a pre-exposure situation because of the risk of adverse reactions. The CDC is not recommending pre-exposure vaccination for unexposed veterinarians, veterinary staff, or animal control officers, unless such persons are involved in field investigations. If you have already been vaccinated before being bitten (the pre-exposure vaccine), two doses of the rabies vaccine will be given: one at the time of the bite, and one 3-7 days later.
随便看	factorially factorisable factorise factorist factorizability factorizable factorization factorize factor law factor of merit factor of proportionality factorship factor something in (or out) factor theorem factor VIII factory Factory Acts Factory Bill factory cloth factory cotton factory farm factory-farmed factory farmer factory farming factory floor

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。