He is practicing the nested reading of kanji.

He was manipulating figures to his advantage in the company's financial report.

He started reading a book, then suddenly the phone rang.

He began to read a new book.

He reads the mackerel every day to maintain his health.

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.

The volume ratio of this engine is 10:1.

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