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verb | adjective | to phrases
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| 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 | |||
| 打散; 散射; 减少 | |||
| 使变细; 使病毒毒性减弱 | |||
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| 减少〔弱〕的; 渐狭细〔尖削〕的; 衰减的 | |||
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| 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 | |||
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attenuated : 57 phrases in 21 subjects |
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