I think his research is very significant.

Mr. Konomi is my best friend.

He danced while waving a bat fan.

I saw a magpie-goose for the first time in the park.

He was listening to the story with half in doubt.

His manners are very good.

He learned the movements of the solar system using an orrery.

Social justice means that all people are treated equally.

There is a beautiful Ilex aquifolium planted in my garden.

Ilex aquifolium is a plant that bears red berries during winter.