This road is very crowded.

The water service in my house has broken down.

The war crime was condemned as inhumane by the international community.

He is working all day long.

I bought a drink from the vending machine.

I couldn't understand his actions.

It is important to do athletics every day to maintain health.

Vertebrates are organisms whose part of the skeleton is composed of a spine.

Wild animals are part of nature, and we should protect them.

He is majoring in zoology at university.