There's no lag period, and notice that antibody levels start rising right away after the second exposure.
没有迟滞期,注意抗体水平在第二次接触后立即开始上升。
Because there is a lag of several years between when people start using tobacco and when their health suffers, the epidemic of tobacco-related disease and death has just begun.
从人们开始使用烟草到其健康受到损害,中间会间隔若干年,因此,与烟草流行相关的疾病和死亡的激增才刚刚开始。
And it introduces a lag when you want to start a download - up to 15 minutes.
并且当你需要开始一个下载的时候他会引入延迟——高达15分钟。
One is there's no lag period, notice that antibody levels start rising right away after the second exposure.
第一是没有迟滞期,请注意,抗体浓度迅速上升,在第二次接触抗原时
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