1. 死亡率 (名)：deathly 像死一样地 (副) | deathrate 死亡率 (名) | deathtrap 危险的地方; 危险的建筑物 (名)
noun
1. the ratio of deaths in an area to the population of that area expressed per 1000 per year
Synonym: death rate mortality mortality rate fatality rate