常見(jiàn)例句雙語(yǔ)例句However, in the HLA A2 - individual, the epitope had neither variation nor amber mutation in 5 years after infection.在無(wú)HLA A2表型的感染者中,其感染后5年病毒抗原表位肽段既無(wú)共有序列的變異,也無(wú)琥珀突變。 返回 amber mutation