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vi. 【生物学、医学】血清转化, 对疫苗产生抗体
🗣️ 情景例句
And thanks for the directions.
谢谢你给我指了路。
In college I majored in philosophy, What was your major?
大学时我主修哲学，你主修什么呢？
Well, have you forgotten already?
嗯，你已经忘了吗？