She has a natural refinement.

He decided to hide in the closet.

He is stoic with himself, doing rigorous training every day.

The rhizosphere plays a very important role in plant growth.

His kill rate is very high.

It's difficult to understand the details of the contract without reading the proviso.

Crabs move by walking sideways.

He's tired of arguing on the internet and is a 'nikki' who no longer goes to 2ch.

Can you come to the party tomorrow?

Hexadecene is a compound often used in organic chemistry.