With new technological advances and mass production, projected cost declines should make wind power one of the world's cheapest ways to produce electricity.
随着新的技术进步和大规模生产,预计成本的下降将使风力发电成为世界上最便宜的发电方式之一。
The machine is worked by wind power.
这台机器是以风力推动的。
The success of wind power represents a litmus test for renewable energy.