这包括使用硫或硫化氢气溶胶，使二氧化硫形成云层，进而导致全球变暗。

This would involve using sulphur or hydrogen sulphide aerosols so that sulphur dioxide would form clouds, which would, in turn, lead to global dimming.

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我们关上百叶窗，使房间变暗了。

We darkened the room by closing the shutters.

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例如，他们不能解释水是怎样使土壤变暗的。

They cannot, for example, explain how the water darkened the soil.

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