The ecosystem of zoobenthos is an important field of study in marine biology.

I use plain flour to make bread.

He proposed a new theory about quantum mechanics.

Thanks to his serendipity, we were able to find a new business opportunity.

Intermolecular forces are an important factor in determining the properties of a substance.

Katoriki is a rare name, isn't it?

He is good at reading traditional Chinese characters.

He is good at reading simplified Chinese characters.

The pineal body is a small endocrine gland located in the brain.

I have experienced astral projection.