He's taking a dangerous drug: it acts very fast on the central nervous system.

他在使用一种危险的药物——这种药物很快作用于中枢神经系统。

《柯林斯英汉双解大词典》

That's one reason why the idea of a national list hasn't gone anywhere while drug costs keep rising fast.

这就是为什么全国性药品名录还未出台的原因，也是药品价格持续走高的原因。

youdao

To accomplish this, Baker and van Deursen designed a fast-aging mouse strain that would, upon receiving a drug trigger, expel p16-producing cells from fatty tissues, muscles and eyes.

为了论证这点，Baker和van Deursen繁殖了一组具有快速衰老基因的实验鼠，在这个过程中，对实验鼠施以药物刺激，从而清除脂肪组织、肌肉和眼睛中含有P16的细胞。

youdao

Pfizer, which always kept a presence in developing new germ-killing drugs, saw its Zyvox become a fast-growing drug in recent years.

FORBES: Magazine Article

In June, he expanded the definition of "executive privilege" to deny House Republicans documents for their probe into the botched Fast and Furious drug-war operation, making a mockery of Congress's oversight responsibilities.

WSJ: Strassel: Obama's Imperial Presidency

Already, the drug has fast-track designation for approval for certain colorectal cancer patients who have already exhausted other options.

FORBES: Magazine Article