No one drug will suit or work for everyone and sometimes several may have to be tried.

没有任何一种药会对每个人都适用或有效，有时得试好几种。

《柯林斯英汉双解大词典》

One drug nearly doubled the kids' risk of eczema.

吃其中一种杀虫药的妈妈所生的孩子患有湿疹的风险翻倍了。

youdao

One drug that promises to do this is interleukin-7.

有一种能达此功效的药物称做白细胞介素-7。

youdao

Researchers studied more than one hundred fifty patients whose condition had failed to improve after taking at least one drug.

VOA: special.2010.03.02

Researchers studied more than one hundred fifty patients who had failed to respond to at least one drug in the past.

VOA: special.2010.02.17

The babies received one drug every day during six months of breastfeeding.

VOA: special.2009.07.29

Instead of pitting one drug against another, both ACCORD and ADVANCE used drug combos.

FORBES: Magazine Article

Some patients' tumors have mutations that make them particularly sensitive to one drug or another.

FORBES: Magazine Article

Every month, on average, the authorities say, one drug is approved in India without trials.

BBC: Is India a dumping ground for drugs?