n. the quality or state of being mortal
n. 必死的命运, 死亡数目, 死亡率
[医] 必死性, 死亡率
1. The mortality rate in this region has decreased over the past decade.
这个地区的死亡率在过去十年中有所下降。
2. Researchers study mortality to understand the impact of diseases on populations.
研究人员研究死亡率以了解疾病对人群的影响。
3. Many factors can influence mortality, including lifestyle and healthcare access.
许多因素可以影响死亡率，包括生活方式和医疗服务的可获得性。