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While we all have the gene, such as BRCA1, that can cause cancer, it's only when these genes fail at their function that problems develop.
我们每个人身体里都有诸如乳腺癌1号基因这类可能导致癌症的基因存在，但癌症只会发生在这些基因失效时。
《TED-Ed》《TED教育》
双语例句
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In fact, studies show that the caramel we use does not cause cancer.
事实上，调查表明我们饮料中使用的焦糖色素不会致癌。
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She says the current way to identify whether chemicals cause cancer is to test them one at a time.
她说目前确认化学成分是否造成癌症的途径每次对其进行试验。
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Many types of radiation, especially ultraviolet rays from the Sun, can damage skin cells and cause cancer.
许多类型的辐射都会损害皮肤细胞并导致癌症，尤其是来自太阳紫外线的辐射。
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Aminotriazole is a weedkiller found to cause cancer in laboratory animals.
氨三唑是一种除草剂，在实验动物身上发现会导致癌症。
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The latter cause cancer.
而后者会导致癌症。