He is majoring in botany at university.

He has a deep interest in archaeology.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

When the value-added tax rate increases, the burden on consumers also increases.

He likes to take a walk in the park at dusk.

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.

Chrysophyta perform photosynthesis underwater, supplying oxygen.

He is an expert in paleobotany, conducting research on plants from the dinosaur era.