He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He has a deep interest in archaeology.

This reaction has reached chemical equilibrium.

The government declared a state of emergency to prevent the spread of the new coronavirus.

He is always joking around during class.

His irregular lifestyle is having a negative impact on his health.

This allele greatly affects the inheritance of color vision.

Pyramid schemes are prohibited by law.