Some days later I got a chance to talk with the clergyman and he told me more.
VOA: special.2009.01.03
At some point, maybe a week later, four to eight days later, you would start to see antibody levels rise.
之后,或许一周之后,四天到八天之间,就可以看到抗体的浓度开始上升
Some days later I got a chance to talk with the clergyman, and he told me more.
VOA: special.2010.03.27
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