He was collecting dots in mahjong.

Shouko is my best friend.

Zhuangzi's philosophy is profound and continues to have a significant impact on the present day.

The crawling baby is playing in the living room.

The crawling baby is playing in the living room.

Xunzi was an ancient Chinese philosopher and one of the important thinkers of Confucianism.

A phonon is a physical concept that represents the vibration of a crystal lattice.

The teachings of the Analects are the guidelines for my life.

Gametes play an important role in the reproduction of organisms.

She is a plain girl, but I was attracted to her inner beauty.