这些我们成为抗原的分子被一些称作受体细胞所吸收，并将它们吸附在自身表面暴露给助细胞。
These molecules, known as antigens, are picked up by so-called antigen-presenting cells that display them on their surfaces and show them to the helper cells.
在这种包合物中有机小分子是电子的受体，而碳笼则为电子的给体，这与金属富勒烯包合物恰恰相反。
The dopant is an electron acceptor and the cage is a donor which is different from the case of metallofullerenes.
给免疫细胞发送信息的分子开关又被称为肿瘤坏死因子受体（TNFR）。
The molecular switch that sends the call to immune cells is termed the tumor necrosis factor receptor (TNFR).
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