It is debatable whether or not antibiotics would make any difference...抗生素能否起到什么作用还无法定论。Whether older women miscarry more often or whether they report more miscarriages is a debatable point.究竟是年纪大的女性更容易流产还是她们报告了更多流产事例，这一...
She could hear his ragged breathing, as if he had been running.她能听到他不均匀的呼吸声，似乎他是跑着过来的。He looked at Ellen, breathing evenly in her sleep.他看着埃伦，她正呼吸均匀地睡着。Firms need a breathing space if they are to recover.这些公司需要短暂休整才能恢复元气...
They knock around on weekends in grubby sweaters and pants.他们周末穿着邋遢的毛衫和裤子到处闲逛。His white coat was grubby and stained.他的白色外套污迹斑斑，简直脏透了。Look at your grubby hands!看你那双脏手!...