So, yes, they're very poisonous, and in fact, there are areas where you find this toxic compound, cyanide.
因此,没错,它们毒性非常强,而实际上,你会发现很多地方都有这种有毒成分,氰化物。
Cyanide is incredibly toxic, it's a poison.
氰化物有极高的毒性,它是一种毒药。
Metallic sodium is toxic to humans.
金属钠有毒性。
And that's an engineering problem that we're going to talk a lot about, how to deliver drugs so that you get the action that you want, at the site that you want and not the toxicity.
这的确是一个工程学问题,我们马上就来讨论,如何把药物注射到你想要它起作用的部位,而不产生毒性
In this case here, you're generating host cells, cytotoxic T-cells, that can kill only very specific cells, cells that are expressing this foreign antigen.
而在这个例子中,人产生宿主细胞,即细胞毒性T细胞,它只会消灭特定的细胞,也就是携带特定异己抗原的细胞
So, that's antigen presentation to this population of cells called cytotoxic T-cells, Tc, a subset of the class of T-cells in the immune system.
这些细胞被呈递给另一种细胞,这些细胞被称为细胞毒性T细胞,是免疫系统中T淋巴细胞的亚群中的一种
They become activated and they produce, eventually, mature cytotoxic T-cells in large numbers.
细胞毒性T细胞活化后,开始增殖,最终,产生大量成熟的细胞毒性T细胞
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