propel造句

Paddles are used especially to propel canoes and kayaks.
短桨特别用于划独木舟和小艇.

They use oars to propel boats.
他们用浆推进船只.

We must develop industries with local advantages and propel the development of key areas.
积极发展有特色的优势产业,推进重点地带开发.