That is also an advantage of using them as gene therapy vehicles because they will only infect cells that they are - that they have an affinity for or that they're prone to affect.

非常有利于将其,作为基因治疗的载体使用,因为它们只能感染那些--,它们对之具有亲和性,或者说它们倾向于去感染的细胞

耶鲁公开课 - 生物医学工程探索课程节选

So it's the affinity it has for electrons, it's how much it likes to get an electron.

因此，它表示的是对电子的亲和力，即有多么希望得到一个电子。

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