降低毒性
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
?被降低的毒力
... virulence test 毒力试验 attenuation of virulence 减毒作用 decreased virulence 被降低的毒力...
HIV's ability to replicate (known technically as its virulence) may have decreased since the start of the pandemic.
ECONOMIST: In one part of Europe, HIV may be getting less virulent
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。