Idiotypicantigen
个体基因型抗原
🗣️ 情景例句
Yes, Michigan needs a touchdown.
是啊 Michigan队需要一次达阵得分。
My head has been hurting.
我头痛。
He collected tetters and made copies of people's diaries.
他收集到一些信件，复印了一些人的日记。