单词	polyvalent
释义	polyvalent adjective poly·​va·​lent ˌpä-lē-ˈvā-lənt  also pə-ˈli-və-lənt  1 : having a chemical valence greater usually than two 2 : effective against, sensitive toward, or counteracting more than one toxin, microorganism, or antigen polyvalent vaccines polyvalence ˌpä-lē-ˈvā-lən(t)s  also pə-ˈli-və-lən(t)s  noun Word History Etymology International Scientific Vocabulary First Known Use 1866, in the meaning defined at sense 1 Medical Definition polyvalent adjective poly·​va·​lent ˌpäl-i-ˈvā-lənt  1 a : having a chemical valence greater usually than two b : having variable valence 2 : effective against, sensitive toward, or counteracting more than one exciting agent (as a toxin or antigen) a polyvalent vaccine
随便看	bespoke bespoken bespot bespoted bespoting bespots bespotted bespotting bespoused bespouses bespousing bespread bespreading bespreads besprent besprenter besprentest besprinkle besprinkled besprinkles besprinkling bess beetle bess-bug Bessarabia bessarabian

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