The volume ratio of this engine is 10:1.

He started calculating to obtain the ratio of the two numbers.

His painting is drawn using the golden ratio.

The red-throated loon is a beautiful bird with a red throat.

Compared to our company's previous products, this new product has significantly improved performance.

This movie has an aspect ratio of 16:9.

Sunday is my day off.

What is the date today?

When the sun rises, a new day begins.

It's wonderful to see the sun rise.