推广 (tuī guǎng): to popularize, to spread

In order to promote the newly developed mobile app, the company decided to hold several free trial events on campus.

This book introducing Chinese history and culture is very popular; it has been translated into many languages and promoted overseas.

The government is promoting the use of solar energy in rural areas to reduce dependence on traditional energy sources.

By inviting food bloggers to make videos, this restaurant successfully promoted its signature dishes to more young people.

Our school plans to promote Mandarin in the surrounding ethnic minority communities to help local children learn Chinese better.