鲸鱼在安全的海洋深处养育它们的幼崽。

Whales ___rear their young in the safety of the ocean depths.

传统上，人们期望母亲留在家中抚养孩子。

Traditionally, mothers were expected to stay home and ___rear the children.

该保护项目成功地在人工环境下养育了几种濒危鸟类。

The conservation program successfully ___reared several endangered bird species in captivity.