英语语法分析

Two important manifestations of antigen-antibody immunity are lysis.

抗原——抗体免疫的两个重要表现是裂解。

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 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。