They also have binding sites for antigen, but they are sort of two IgG type molecules bound together by another peptide chain.

同样IgA抗体表面也有与抗原结合位点,但它们就像两个IgG型分子,通过肽链相互连接

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So, many--the predominant number of antibodies in your blood look like these IgG molecules.

所以在你的血液中有许多抗体,看上去像IgG分子

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But not all of them do, there are different kinds of antibody molecules.

但是实际上并不全是IgG分子,这其中包含有很多不同种的抗体分子

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