another thing that you'd find if you looked inside the axon terminals of any of these pre-synaptic membranes, you'd find lots of vesicles or some membrane bound compartments that contain special chemicals called neurotransmitters.

如果你仔细观察,突触前膜的轴突末梢内部,你会发现很多小泡,即膜包被的结构,包含有称为神经递质的特殊化合物

耶鲁公开课 - 生物医学工程探索课程节选

These are linguistic terms. But of course, the people who spoke them, especially in the early years, tended to be part of a relatively narrow collection of people, who intermarried with each other chiefly, and therefore developed common cultural characteristics.

这时的希腊语主要是一些语意项,不过当然,那些讲希腊语的人,特别是在早期,是一个相对小范围的人群,他们主要在族群内部通婚,由此,发展出相近的文化特征

耶鲁公开课 - 古希腊历史简介课程节选

It looks a little something like that, and the screen doesn't quite do it justice here, Z but there's two alphabets; A through Z, and then A through Z, -- but the inner A through Z is on a small -- it has a smaller diameter; so it's a ring of letters.

它看起就像那样的东西，那个画面做的不是这么公正，这里有两个字母表，A到Z，然后A到，但是戒指内部的A到Z是在一个小直径的上面-,它有一个小的直径，所以它是一个有字母的戒指。

哈佛公开课 - 计算机科学课程节选

Right? p external equals p2 is less than p external equals p internal.

没错吧？外界压强固定为p2要比,外界压强等于内部压强要小。

麻省理工公开课 - 热力学与动力学课程节选