易混淆的单词： hiv

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Vaccine trial reveals weak spots in hiv 's armor .

艾滋病毒的外壳在疫苗试验中暴露出其弱点。

Both drugs block enzymes that hiv needs to replicate .

两者都可以抑制艾滋病病毒复制所需的酶。

These are cells of the type that hiv infects .

而这些细胞正是艾滋病毒感染的那一类细胞。

People who have aids are still infected with the hiv virus .

患有艾滋病的人仍然会将艾滋病毒传染给别人。

One of their effects is to keep hiv genes switched off .

它们的效用之一是保持艾滋病毒基因处于关闭状态。