He is learning about the handling of experimental animals.

We went to the zoo with our family on the weekend.

Vertebrates are organisms whose part of the skeleton is composed of a spine.

Wild animals are part of nature, and we should protect them.

He is known as an excellent researcher.

He joined the trip as our attendant.

He was chosen as a juror.

My younger sister works as a clerk at a bank.

I am a member of this library.

My older brother is an office worker at a major company.