The birth of a live healthy baby is a truly blessed event.

生一个活泼健康的孩子确实是一件幸运的事。

《柯林斯英汉双解大词典》

Until the recent discovery of fossilized sauropod nesting grounds, scientists were thus uncertain whether sauropods laid eggs or gave birth to live young.

因此，直到最近发现蜥脚类恐龙筑巢地的化石之前，科学家们还不能确定蜥脚类动物到底是产卵还是胎生。

youdao

In some cases of live birth, the white paper reported that prison guards killed the infant or left it for dead.

在某些活体出生的情况下，白皮书报告说监狱卫兵杀掉婴儿或者任其自生自灭。

youdao