英语语法分析

Even a single dose of another drug, nevirapine, halves the risk of an infected mother passing the virus to her baby.

只需要一个剂量的奈韦拉平就可以将母亲传染HIV病毒给孩子的几率降低一半。

He transplanted four kinds of human cancer into four groups of mice and treated some of each group with nevirapine or a similar drug.

他将四种人体癌细胞移植到4组白鼠身上，然后对其施以奈伟拉平或同类药物。