Trees break the force of the wind.

树使力减弱。

Power can be fed from wind generators into the electricity grid system.

力可从力发机流入输。

Coarse material is conveyed by a stream of air to variable speed whizzer-separator.

料由空气流输送到变速力选粉机那里。

The wind blast has relented.

力已减弱了。

The wind is freshening up.

力正在加强。

The wind began to build.

力开始增大。