His Japanese ability is improving gradually.

This mutetrahedron plays a very important role in the world of mathematics.

His cooking skills are among the top five.

We value the concept of 'food and medicine come from the same source'.

The Papua Bush Turkey is a very rare bird.

In arid regions, there is little rain, making it difficult for plants to grow.

His movement was very fast.

He exhausted his strength to finish the work.

The committee approved the new project.

Sentarou fell asleep while watching TV.