Researchers have tried for two decades to find a microbicide to fight H.I.V. transmission.
研究人员二十年来一直在试图寻找一种抗病毒凝胶能够防治艾滋病毒的传播。
Researchers have tried for two decades to find a microbicide to fight H. I. V. transmission.
研究人员二十年来一直在试图寻找一种抗病毒凝胶能够防治艾滋病毒的传播。
Researchers have tried for two decades to find a microbicide to fight H. I. V. transmission.
研究人员二十年来一直在试图寻找一种抗病毒凝胶能够防治艾滋病毒的传播。
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