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普通的伞可以遮挡紫外线吗？
普通的伞可以遮挡紫外线吗？
2025-04-01 16:26:05
推荐回答（2个）
回答1：
可以，只是阻挡得很少。颜色越深，材质越厚，阻挡的量就多。
回答2：
好多都不可以的。雨伞的话。
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