wind is used to produce electricity widely in many parts of the world.为什么is used to后加原形

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windisusedtoproduceelectricitywidelyinmanypartsoftheworld.为什么isusedto后加原形windisusedtoproduceelectric

wind is used to produce electricity widely in many parts of the world.为什么is used to后加原形
wind is used to produce electricity widely in many parts of the world.为什么is used to后加原形

wind is used to produce electricity widely in many parts of the world.为什么is used to后加原形
be used to do sth 是固定搭配 这里的意思是被用来做某事
be uesd to doing sth :习惯做某事
注意区分

这里的is used to 表示“被用来做。。。。”
不是be used to doing