His back was very broad, giving a sense of strength.

His Japanese ability is improving gradually.

He assisted my project.

A song praising his courage was playing.

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

Jin will exert himself for the success of this project.

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

His movement was very fast.

He has a strong sense of self-affirmation and always maintains a positive attitude.

The committee approved the new project.