But scientists have wondered for decades if the damage inflicted by senescent cells could be stopped if they were removed from the body altogether , or if the harmful substances they produced were neutralized .

但科学家几十年来一直想知道，如果将衰老细胞从人体中彻底清除，或者将它们产生的有害物质加以中和，是否能制止衰老细胞造成的损害？

One of the women had neutralized 88 percent of 225 hiv virus subtypes after three years with the virus , while the other woman had neutralized 46 percent of 41 subtypes after two years of infection .

其中一个女性感染者在三年之后，体内225种hiv病毒亚型中，88%已经被中和，而另外一个女性感染者在两年之后，体内的41种亚型中有46%已经被中和。