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killer cell

n.
1.T cell with CD8 receptor that recognizes antigens on the surface of a virus-infected cell and binds to the infected cell and kill it

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  • Idiom of the Day

    gold mine of information
    someone or something that is full of information
    The woman is a gold mine of information and she is very valuable to her company.



    1.
    S1: Growing up means not only getting larger, but also using our senses and our brains to become more aware of the things around us.
    S6: In other words, we must develop and use our ability to reason, because the destruction or the preservation of the places in which we live depends on us.

    P: Not only does he have a memory but he is able to think and reason.
    Q: In this, man differs from all other animals.
    R: Before we spray our roadside plants or turn sewage into our rivers, we should pause to think what the results of our actions are likely to be.
    S: That is to say, he is able to plan what he is going to do in the light of his experience before he does it.

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