She's on(= taking) painkillers.
她在服止痛药。
1.【医】止痛药,镇痛剂
1.[Medical & Healthcare]something, especially a drug, that reduces pain
1.When he ran low on morphine, he began injecting some of the badly wounded with a "painkiller" that was nothing more than a saline injection.
当缺乏吗啡的时候，他会给一些重伤员们注射止痛药–这所谓的止痛药事实上就是生理盐水。
2.I'd like to prescribe some painkiller tablets and anti-inflammatory tablets. And I advice you to stop smoking cigarettes these days.
我为你配点止痛片和消炎药，并建议你这两天不要吸烟。
3.That didn't work, so the next day she saw a doctor, who started her on an antibiotic and a painkiller.
这并没有起作用，第二天她看了医生，医生给她开了抗生素和止痛药。
4.As the pain got worse, he took more and more painkiller, thinking this was a safe product.
随着疼痛的加剧，他服用了更多的止痛片，还以为那是安全的药品呢。
5.It's created by a couple of hormones: vasopressin and oxytocin (not to be confused with Rush Limbaugh's painkiller OxyContin).
它是由一组荷尔蒙组成：加压素和催产素（不要和RushLimbaugh的止痛药OxyContin混淆）。
6.The use of any painkiller during the second trimester more than doubled the risk of the condition in a boy baby.
在这段时间使用任何一种止痛药将使得宝宝的风险增加1倍。
7.You will be awake when this happens, but you may be given a sedative and a painkiller to help relax you.
醒来时，你会发生这种情况，但你可以给予镇静剂和止痛药来帮助你放松。
8.If a painkiller seems to cause heart attacks, Fisher's standard says this risk can be ignored unless the statisticians are 95 per cent sure.
如果止痛药似乎可能引发心脏病，那么按费雪的标准，除非在统计学上百分之九十五地肯定，否则这种风险就可以忽略不计。
9.The entire process occurs without a gram of painkiller, although a few imbibe a noxious alcohol made from the fermented mash of acorns.
整个过程中，一粒止痛药都没有，虽然有几个换生灵会喝一种用橡树汁发酵而成的酒，但这种酒对身体有害。
10.Pfizer pision, Pharmacia & Upjohn, agreed to plead guilty to a criminal violation over the painkiller Bextra.
辉瑞制药一个事业部（法玛西亚-普强公司）就止痛药伐地考昔的违犯刑法承认有罪。