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.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

This book explains in detail about various sexual positions.

She decided to try the reverse cowgirl position.

The Japanese night heron was quietly targeting fish in the pond.

The theory of phonetic shift is an important part of linguistics.

He received the Grand Cordon, the highest order of merit in Japan.

We should always remember the power of Kannon in difficult times.

He always keeps in mind the phrase 'If one learns without thinking, it is a waste.'