He was suffering from muscle contractions due to pain.

His leg suddenly underwent a spasm.

In this chemical reaction, condensation occurs.

Because the wind became strong, the captain ordered to reef the sail.

This sentence is written in a contracted form.

This fabric contracts when it absorbs water.

Her curly hair is very beautiful.

He underwent a stomach plication surgery.

Every year, a big festival is held in this town.

Namuji, have you read that book?