题目

Most of the wind available on land is too gentle to push commercial wind turbine（涡轮机），but now researchers in China have designed a kind of tiny wind turbine,, that can use wind energy from breezes as little as those created by a quick walk. The new device is not technically a turbine. It is a nanogenerator made of two plastic strips in a tube that clap together when there is airflow. Like rubbing a balloon to your hair, the two plastics become electrically charged after being separated from contact, a phenomenon called the triboelectric effect. But instead of making your hair stand12．The news they won the match is true．加that．