That also happens through development, and in fact, it goes through development and even teenagers are not fully myelinated.

髓鞘的形成也同样发生在发展过程之中,实际上,髓鞘的形成贯穿整个发展过程,即便是青少年的髓鞘也并未完全发育完善

耶鲁公开课 - 心理学导论课程节选

It could form in any direction because the Coulombic field is radial in all directions.

能够在任何方向形成,因为库仑产在全方位发生分散。

麻省理工公开课 - 固态化学导论课程节选

They both proliferate, increase in number, and they differentiate; they differentiate from immature B-cells into antibody producing cells.

淋巴细胞将迅速增殖,数量大幅提高,同时发生分化,幼B淋巴细胞分化,形成能够分泌抗体的细胞

耶鲁公开课 - 生物医学工程探索课程节选