The cane toad is causing a big problem in Australia.

My kitchen knife is very sharp.

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.

He was bestowed with a special award.

My friend, Sai, works on a farm.

His figure suddenly disappeared.