1·The findings of the U.S. study provide the most compelling evidence yet of the power of the cheap painkiller.
在美国进行的这项研究中的发现为这种廉价止痛药的功能提供了最有力的证据。
2·To deal with the pain, your easiest option is an over-the-counter painkiller such as aspirin or acetaminophen.
为对付这种疼痛，最容易的选择就是非处方止痛药，例如阿司匹林或退热净。
3·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。
4·Taking more than one type of painkiller increased the risk 16-fold.
如果服用止痛药种类超过一种的话，风险则会增加16倍。
5·She stopped taking the painkiller, in case she was allergic to it, but the rash kept spreading.
她停止服用止痛药，也许她得的是过敏，但皮疹依旧蔓延。