第壹步:在衣服的血跡和汙垢上撒上適量的小蘇打(小蘇打有清潔去汙的作用)。
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第二步:然後倒入適量的啤酒(啤酒中含有抗氧化劑，可以防止血液氧化；啤酒中含有酒精，會破壞血液中的蛋白質。
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第三步:然後用手擦去衣服上的血跡和汙垢。
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第四步:然後用清水洗衣服。
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第五步:衣服上的血跡和汙垢已經清洗幹凈。
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