And Piaget argued that these two mechanisms of learning drove the child through different stages.

皮亚杰认为,这两种学习机制,帮助儿童跨越各个阶段

耶鲁公开课 - 心理学导论课程节选

If you looked later, as the antibody production response matures, some IgG is produced so that in the late period after initial priming you'd have a mixture of IgM and IgG in the blood.

如果你稍后再观察,等到产生抗体的应答趋于成熟后,就会产生一些IgG抗体,在初次免疫的最终阶段,你的血液中有IgM,和IgG两种抗体

耶鲁公开课 - 生物医学工程探索课程节选