The epidemiological studies played a key role in these decisions.流行病学研究在这些裁定中都起着重要作用.Some data are now available from studies that have utilized an epidemiological approach.利用流行病学方法的研究工作已经提供了一些资料.Objective To sum up the ...
...a small ruck in the carpet.地毯上的小褶皱Pat took apart the TV set and spread the bits all over the carpet.帕特拆开电视机, 把零件散置在地毯上。...dusky pink carpet.暗粉红色的地毯The dog made a mess on the carpet.狗在地毯上大便。Its brass feet dented the ca...
Lean hard-training women athletes may menstruate less frequently or not at all.身材瘦削而且训练艰苦的女运动员行经可能不那么频繁，或者根本不来月经。sweltering athletes.中暑的运动员The athletes’ reflexes were tested under laboratory conditions.在实验室条件下测试了这些运动员的反应...