父母决定分居后，孩子们需要适应这种新的生活方式。

After their parents decided on ___separation, the children had to adjust to the new living arrangement.

他们的分离持续了两年，最终以离婚告终。

Their ___separation lasted two years before ending in divorce.

学校和家之间应该有明确的分隔。

There should be a clear ___separation between school and home.

化学实验中，我们通过蒸馏实现了液体混合物的分离。

In the chemistry experiment, we achieved the ___separation of the liquid mixture through distillation.