He is an expert in optics and has a deep knowledge of laser technology.

Various advertisements are posted in this magazine.

Please apply this ointment to the wound.

I heard from my family that my remote ancestor was a samurai.

He finally decided to surrender.

He surrendered to the enemy.

His success is the result of the fruit of painstaking study.

His mood is always fluctuating high and low.

Her dress was crimson, and it was very beautiful.

We sincerely welcome the emperor's coming.