But experts say that even without anti-AIDS drugs, only a small percentage of babies become infected through breast milk.

但专家们表示，即使没有使用抗艾滋药物，通过哺乳而感染艾滋病毒的婴儿也只占很小一部分。

Remdesivir is the only drug so far authorized in the EU for use against COVID-19.

瑞德西韦是欧盟迄今唯一获批的用于治疗新冠肺炎的药物。

It's unclear why the study found that the drug only lowered alcohol consumption in people with obesity.

尚不清楚为什么研究发现这种药物只会降低肥胖者的饮酒量。

Britain's health body says pregnant women should take the drug only if necessary and for the shortest possible time. Smith reports.

英国医疗机构称孕妇应该必要时才使用这种药，而且要在尽可能短的时间内使用。史密斯报道。

These findings led the New England Journal to publish editorial admonishing doctors to prescribe the drugs only for patients with severe obesity.

这些发现使得《新英格兰》杂志发表社论警告医生只许对特别肥胖的病人开这种药。

So, the drug only affects, for example, your arm or your leg; in one part of your body, you're not asleep.

因此， 药物只会影响您的手臂或腿；在你身体的某一部分， 你并没有睡着。

The technique has been referred to as " chemical earmuffs, " but since the drug only blocks some of the sound receptors in the ear, the mice's brains still responded to sound normally, suggesting they could still hear just fine.

这种技术被称为“化学耳罩”，但是由于这种药物只阻断了耳朵里的一些声音受体，老鼠的大脑仍然对声音做出正常反应，这表明它们的听力并没有什么问题。