He retired from Penn State in nineteen ninety-nine, and has denied the charges.
他于1999年从宾夕法尼亚州立大学退休，并否认了这些指控。
In nineteen ninety-nine, Professor Weinberger put the recordings online.
1999年，温伯格教授把这些录音放到了网上。
Eleven countries first began to use the euro in nineteen ninety-nine.
有11个国家在1999年最先开始使用欧元。
Curt Onalfo's playing career included many appearances with the National Team and a victory in the M.L.S.Cup in nineteen ninety-nine.
VOA: special.2010.06.02
In nineteen ninety-nine, the Institute of Medicine of the National Academies released a report about mistakes in American hospitals.
VOA: special.2010.07.13
In nineteen ninety-nine, Walter Plowright won the World Food Prize as a hero of the fight against rinderpest.
VOA: special.2010.11.02
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