Researchers in the United States have developed the first wirelessly controlled device that can supply a drug directly into the body. A small chip is implanted under the skin. It contains the medicine, which it releases at preset times.美国研究人员已经研制出首台可以向体内直接供药的无线控制装置。将一块很小的晶片植入皮肤,晶片里含有药物,会在预设的时间释放出来。________________________________________.