Motality

(n.)

1. state of being mortal

不免一死

2. (also mortality rate) number of deaths in a spacified period of time

死亡率

e.g. Infant motality (i.e. The rate at which babies die) was 20 deaths per thousand live births in 1986.

1986年的婴儿死亡率为生育成活率的千分之二十。

e.g. It's commonly acknowledged that infant mortality has declined because of recent medical discoveries and a higher standard of living.

人们都承认婴儿的死亡率下降是因为近代的医学发明和生活水平的提高。

3. large number of deaths caused by a disease, disaster, etc.

（疾病、灾难等造成的）大量死亡

4. mortality table (esp. in insurance): table showing how long people at various ages may normally be expected to live

（尤指保险业的）死亡率表

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