His state is very stable.

His vocal range is very wide.

She enjoys her sex life using a sex toy.

He practices every day to learn the correct Chinese pronunciation of characters.

Learning about the history of Seiban is important for understanding our past.

I am majoring in biochemistry at university.

Gender discrimination is one of the social issues that needs to be resolved.

He gained strength from the support of the audience during the match.

I went to his match and supported him.

He runs a restaurant as his upstanding line of business.