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来源：雅诚德英语网
There's a lag phase, and there's a slow rise to an intermediate level of antibody concentration.
有一个迟滞期，抗体浓度缓慢上升至中间水平。
There's a lag phase, and there's a slow rise to an intermediate level of antibody concentration.
有一个迟滞期，抗体浓度缓慢上升至中间水平。