Winter ended, and the snow began to thaw.

The landscape of the countryside has changed due to the progress of urbanization.

This area is rapidly urbanizing.

Erhua in Beijing dialect is a characteristic phonetic phenomenon.

We use encryption to protect important data.

We need to encrypt important data.

The mechanization of agriculture is progressing.

We decided to mechanize the factory.

Nitriding is often used to increase the surface hardness of metals.

High temperature and high pressure are required to nitridate this metal.