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verb | adjective | to phrases
attenuate [əˈtɛnjʊeɪt] v
gen. 使变细弱,小,薄; 减少 (低,弱,毒); 削弱; 拉细; 使变稀薄; 使冲淡; 散射〔布〕; 扩散
archit. 打散; 散射; 减少
life.sc. 使变细; 使病毒毒性减弱
attenuated [ə'tenjueɪtɪd] adj.
gen. 减少〔弱〕的; 渐狭细〔尖削〕的; 衰减的
 English thesaurus
attenuated [ə'tenjueɪtɪd] adj.
med. A disease-causing virus or bacterium that is weakened in a laboratory so it cannot cause disease or only mild disease. Live attenuated viruses are often used as vaccines because, although weakened, they can stimulate a strong immune response. However, because of remote possibility that a live attenuated virus could cause disease, people infected with HIV should not receive most live attenuated vaccines. see also vaccine
attenuated
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