This disease is surprisingly difficult to catch as most people have a natural resistance to it.

由于多数人对这种病具有天然免疫力，所以发病率低得出奇。

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VP 35 interferes with the natural resistance of host cells against viral infections.

VP35干扰了宿主细胞对病毒感染的天然抵抗能力.

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Carriers of a gene for a hemoglobinopathy have natural resistance.

携带有血红蛋白病基因对疟疾具有天然免疫力.

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One method is to choose plants that show a natural resistance to certain insects.

一种方法是选择那些对某些昆虫有天然免疫力的植物.

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