A typical superantigen may crosslink MHC class II molecules to TCRs on as many as 5-20% of all CD4 T cells (which all share a subset of V domains).是什么意思_A typical superantigen may crosslink MHC class II molecules to TCRs on as many as 5-20% of all CD4 T cells (which all share a subset of V domains).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句