At some point, maybe a week later, four to eight days later, you would start to see antibody levels rise.

之后,或许一周之后,四天到八天之间,就可以看到抗体的浓度开始上升

耶鲁公开课 - 生物医学工程探索课程节选

It's just some random chunk of four bytes that happens to be available at this point in time, but I can put something there.

只是一些随机的四字节的内存块,在这里是可以使用的，但是我可以在那里放置东西。

哈佛公开课 - 计算机科学课程节选

2 3 4 Now, at this point in the story, one, two, three, four, so notice what seems to be happening here.

到这一步，注意将会发生什么。

哈佛公开课 - 计算机科学课程节选