live birth

漢語翻譯

英文解釋：

名詞 live birth:

1. the birth of a living fetus (regardless of the length of gestation)

例句：

1. Infant mortality (ie The rate at which babies die) was 20 deaths per thousand live births in 1986.
   1986年的嬰兒死亡率為生育成活率的千分之二十。