death-rate

柯林斯词典

death rate (death rates)

• 1. N-COUNT The death rate is the number of people per thousand who die in a particular area during a particular period of time. 死亡率

  By the turn of the century, Pittsburgh had the highest death rate in the United States. 到了世纪交替时，匹兹堡的死亡率居全美之首。

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