In areas where the wind dies down, backup electricity from a utility company or from an energy storage system becomes necessary.
在风能不稳定的一些地区,需要供电事业公司或者能量储存系统来提供备用电能。
But when the wind dies down, the surface of the water settles down. And soon the water is still again.
风停了,水面也慢慢稳下来,不久水面又静止了。
The wind often dies down at sunset.
风往往在日落前停息。
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