This interferometer is very useful for measuring the wavelength of light.

I put a new can opener in the kitchen drawer.

His presentation was perfect.

He is good at speaking the Kansai dialect.

The temperature dropped sharply after the cold front passed.

He gave advice to the emperor like a chief adviser.

The feeling of satisfaction when I finish this job is indescribable.

This room has a large space.

He is deeply researching the concept of spacetime.

Kanichi is my best friend.