Infant mortality (ie The rate at which babies die) was 20 deaths per thousand live births in 1986.
Infant mortality (ie 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.
Infant mortality (ie 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.