So susceptibility to cold symptoms is not a sign of a weakened immune system, but quite the opposite.

因此，易受感冒症状的影响并不是免疫系统虚弱的一种迹象，情况刚好相反。

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The body's weakened immune system and its inability to stave off infections are to blame.

身体免疫系统的衰弱和自身提抗力的无效是患病的主要原因。

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Modern medicine, meanwhile, means the hulk's weakened immune system is less likely to expose him to lethal infection.

不过其间，现代医学表明，大块头脆弱的免疫系统有可能使他容易感染致命性疾病。

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Rainien said that another blackout is possible because of the weakened electrical system following the quake.

CNN: Widespread power blackout hits Chile

People with a weakened immune system due to diseases such as HIV and Aids or cancer.

BBC: Flu jab given at some pharmacies in Wales for first time

The conflict leaves behind a weakened education system, ruined schools and burnt-out university buildings.

UNESCO: A new school year and building a new Libya