mortality
n. 死亡人数,死亡率;必死性,终有一死;死亡
复数 mortalities
例句
Premature birth is the main cause of perinatal mortality.
早产是围产期死亡的主要原因。
《柯林斯英汉双解大词典》
The nation's infant mortality rate has reached a record low.
该国的婴儿死亡率已达历史最低。
Infant mortality is a reliable barometer of socio-economic conditions.
婴儿死亡率是社会经济状况的可靠指标。
《牛津词典》