The rechargeable battery has run out, so I'm going to buy a new one.

A new polymer was produced by this chemical reaction.

He is good at flying an airplane.

My son participates in judo practice every day.

This is an important problem.

The citizens of this town are all famous for being kind.

We are planning to expand our business.

This area requires strict caution because earthquakes occur frequently.

The lion is called the king of beasts.

He told me the whole story of the incident.