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新东方-柯林斯雅思备考词典
death rate
[NOUN]
death rates
1. [C 可数名词] 死亡率
The death rate is the number of people per thousand who die in a particular area during a particular period of time.
双语例句
例：By the turn of the century, Pittsburgh had the highest death rate in the United States.
至世纪之交时，匹兹堡的死亡率居全美之首。