名詞 death rate:

1. the ratio of deaths in an area to the population of that area; expressed per 1000 per year
   同義詞：deathrate, mortality, mortality rate, fatality rate

1. It is one of their proudest boasts that they have halved the death rate from typhoid.
   他們使傷寒病人的死亡率降低了一半，這是他們最感驕傲的事之一。