这就是著名的旁观者效应。

This is known as the bystander effect.

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该基因可在干细胞中将毒性小的5 -氟胞嘧啶(5 - FC)转变为5 - FU，该化疗药物由干细胞进入肿瘤细胞，产生致死性的旁观者效应。

This gene can convert a less toxic drug, 5-fluorocytosine (5-fc), to 5-fu inside the stem cells, and the chemotherapy can then seep out into the tumor, producing a lethal by-stander effect.

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从原始的实验开展以来，许多研究探索了这个旁观者效应。

Since the original experiments, many studies have explored the bystander effect.

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Now, we know from the work in the Bystander effect that in general which one are we more likely to help in, when we're the only person or multiple?

我们从旁观者效应的实验中知道,我们在哪种情景上更可能出手相救，一个人，还是有其他人时？

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