We went on a trip by steamship.

He tried to solve the problem all night.

They are my best friends.

He was harmed by a scam and lost a lot of money.

He decided to continue the job.

We went on a trip by steamship.

He won the igo or shōgi match.

Hexene is a compound often used in organic chemistry.

He is suffering from a salivary gland disease.

In this world, there exists a value system of valuable and valueless.