The traffic light turned red, so I stopped crossing the street.

We have created a contract for the new project.

He is an expert in algebraic geometry.

The Japanese giant salamander, or 'Oosanshouo', is a unique amphibian to Japan and boasts one of the largest sizes in the world.

Fish use their swim bladder to float or sink in the water.

In the old days, people used to consider milk as an important source of nutrition.

The Earth is our home.

Tom was proud of his knowledge and wisdom.

My father is a doctor.

Daichi is my best friend.