E玫瑰花结

RACHEL MARTIN, HOST: If you go to the doctor with a painful problem, you will likely be asked to rate that pain on a scale of zero to 10, with zero meaning no pain at all and 10, the worst pain imaginable. But many doctors and nurses say rating by nu

发表于:2019-01-17 / 阅读(41) / 评论(0) 分类 2018年NPR美国国家公共电台7月