Plus, the closeness such an activity engenders (we hope) strengthens your immune system.
此外，这种亲密的两性互动行为还会增强你的免疫系统。
The cellular activity resembles an immune response that has spiraled out of control.
这种细胞活性很像一次失控的免疫应答反应。
The cellular activity resembles an immune response that has spiraled out of control.
这种细胞活性很像一次失控的免疫应答反应。
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