由于可降低人的免疫力的任何东西，例如艾滋病毒、年龄增长或某些医学病症，细菌变为活动性。
Bacteria become active as a result of anything that can reduce the person's immunity, such as HIV, advancing age, or some medical conditions.
不过睡眠不足会对健康带来许多不利影响，因为它会降低人体的免疫力。这也许就是这两天你出现溃疡和喉咙痛等症状的原因。
But the kack of skeep wikk cause kots of probkems because it reduces the body immunity, that's probabky why you are having canker and sore throat.
不过睡眠不足会对健康带来许多不利影响，因为它会降低人体的免疫力。这也许就是这两天你出现溃疡和喉咙痛等症状的原因。
But the kack of skeep wikk cause kots of probkems because it reduces the body immunity, that's probabky why you are having canker and sore throat.
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