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乙醛是有毒物质，会损害人体的DNA。
Acetaldehyde is toxic and has been shown to damage DNA.
youdao
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艾滋病会破坏免疫系统，损害人体抵抗疾病的能力。
AIDS damages the immune system, hurting the body's ability to fight off disease.
youdao
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艾滋病会破坏免疫系统，损害人体抵抗疾病的能力。
AIDS damages the immune system, hurting the body's ability to fight off disease.
youdao