Life is a series of ups and downs.

He does his work perfectly, dotting the i's and crossing the t's.

I conducted an interview in a question-and-answer format.

He played a perfect fifth scale on the piano.

This fabric has high color fastness, so it is hard for the color to fade even when washed.

When it reaches absolute zero, the molecular motion of matter stops.

Your adorable smile brightens up my day.

This TV provides high-definition images.

I overslept today, so I was late.

The sphericity of this object is very high.