He gathered brushwood to keep warm.

The steepest descent method is one way to solve optimization problems.

We don't need to reinvent the wheel.

The cytoskeleton plays a crucial role in maintaining the shape of the cell.

In Christianity, the Last Supper is considered a very important event.

Roku is a kanji used in boy's names.

The rhinoceros is a famous character.

This room is overflowing with happiness.

He is working on his job with all his might.

He made the project a success by exerting himself to the utmost.