Osteoporosis researchers were dumbfounded.

英 美
  • 骨质疏松研究者被惊呆了。
  • dumbfounded adj.惊呆的动词dumbfound的过去式和过去分词形式.=dumfounded.
  • osteoporosis n.骨质疏松症
  • researchers n.研发人员,研究人员(researcher的复数形式)
  • were v.是,在,有(be动词的复数过去式)