Because on second exposure there's another population of cells that I haven't mentioned before that remain after the primary exposure and those are called memory cells, they're down here.

因为在再次免疫中,有另外一些细胞,我之前并没有提到过它们,在初次免疫结束后保留下来的细胞,被称为记忆细胞,它们在下面

耶鲁公开课 - 生物医学工程探索课程节选

A company has a profit and loss statement and there's something that is called net income, which is the measure of how much the company is making the profits after expenses of the company, called the bottom line.

例如,每家公司都有损益表,还有净利润,净利润指公司收益总额,扣除经济成本,也称为盈亏结算线

耶鲁公开课 - 金融市场课程节选

One of things that has been going on in Orthodox Judaism not other Judaism is that after high school, many students go to Israel and study at what I called "yeshiva" which are institutes of higher Jewish learning.

有件事一直存在于,犹太教正统派而非其它犹太教,高中毕业后，很多学生到以色列,的“yeshive“学习“,也就是犹太学习的高等教育机构。

普林斯顿公开课 - 人性课程节选

That's what's called a Boolean expression named after literally a man named Boole.

这就是以Boolean这个人,的名字命名的布尔表达式。

哈佛公开课 - 计算机科学课程节选