He is learning about the handling of experimental animals.

Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.

He is a world-renowned zoologist.

My pet is a dog.

I saw flowers blooming on a tree in the park.

The tenth chapter of 'The Tale of Genji', 'Sakaki', is very moving.

In the past, people believed in the power of Zouki.

He drove the nail with a wooden mallet.

Many Japanese angelica trees are planted in this park.

Mr. Taki is my best friend.