The exquisite and almost complete remains only came to light when an American eye surgeon, Henry Kriegstein, telephoned the researchers to say he had bought the fossil from a trader.
这具精致而又几乎完整的遗骸化石的曝光归功于美国眼科医生亨利·克里斯坦(HenryKriegstein)，当时他打电话给研究人员说，他从一个商人手中买下了这具化石。
Former Surgeon General C. Everett Koop has said bad eating habits are the main cause of 70 percent American deaths.
原外科医生GeneralC. EverettKoop表示：百分之七十的美国人主要是死于不良的饮食习惯。
Former Surgeon General C. Everett Koop has said bad eating habits are the main cause of 70 percent American deaths.
原外科医生GeneralC. EverettKoop表示：百分之七十的美国人主要是死于不良的饮食习惯。
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