He escaped from the country to flee political persecution.

He decided to escape from the country to escape political persecution.

He succeeded in escaping from jail last night.

He escaped from prison last night.

Depolarization plays an important role in the activity of nerve cells.

This water needs to be desalted.

In this area, they desalinate seawater to make it drinkable.

In this lake, denitrification is actively taking place.

This soil is active in denitrification, releasing nitrogen into the atmosphere.

He likes to take a walk in the park at dusk.