I avoid eating animal products.

He is deeply involved in the animal liberation movement.

Protozoans are single-celled organisms.

As the name suggests, chordates are a group of animals that have a notochord.

We are aiming to kill two birds with one stone with this plan.

His words held a double surprise, like 'isseki-rokuto'.

When learning Japanese grammar, it is important to understand verbs of the upper monograde conjugation.

He is trying to understand the concept of Trinity in Christianity.

He feels it takes time to acquire new skills, but Rome wasn't built in a day.

He is the type of person who understands ten from hearing one.