This means your body can fight off the rubella virus if it enters your body.

这意味着你的身体在风疹病毒进入的时候能战胜风疹病毒。

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These antibodies work against the mumps virus (they are anti-mumps antibodies). This means your body can fight off the mumps virus if it enters your body.

这些抗体能有效抵抗腮腺炎病毒(它们是抗腮腺炎抗体)。

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Hamas says it won't raise the white flag, and warns that if Israel enters Gaza it will pay a heavy price.

哈马斯表示，它不会举白旗投降，并警告说，如果以色列攻进加沙，它将付出惨重代价。

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Because HIV is an RNA virus and if it enters your cell the only way it can replicate, it can put its DNA into your cells, is by first making DNA out of its RNA genome.

因为HIV是RNA病毒,如果它进入你的细胞,它复制自己的唯一方式,它能把自己的DNA转入你的细胞,方法是先用自己的,RNA基因组制造出DNA

耶鲁公开课 - 生物医学工程探索课程节选

Depleted uranium gives off relatively low levels of radiation, but can be dangerous if ingested, inhaled as dust or if it enters the body through cuts or wounds.

BBC: News Online

The material gives off relatively low levels of radiation, but can be dangerous if ingested, inhaled in dust or if it enters the body through cuts or wounds.

BBC: Fury at uranium cancer denial

We will keep an eye on this case to see if it enters The Food Court, and if so, what impact it will have on the settlement of Astiana.

FORBES: Update: Judge Rejects Settlement in Ben & Jerry's "Natural" Class Action