In some cells they're recycled, that is the cell is able to take up the neurotransmitter after it's released and restore it, but most often there are enzyme systems inside the pre-synaptic membrane where those neurotransmitters are synthesized.

在一些细胞中神经递质可以循环利用,这些细胞可以吸收,已经释放出的神经递质并重新储存起来,但更常见的是突触前膜中含有酶系统,在此合成神经递质

耶鲁公开课 - 生物医学工程探索课程节选

Probably the most, the place I've seen most often is the Lower East Side.

我见过最多的地方大概就是下东区了。

电影里的中央车站 - SpeakingMax英语口语达人

In fact this treatise is often described, or maybe even most commonly described, as the Western tradition's greatest argument against censorship.

事实上，这本著作常常被描述为，或是可能广泛地被认为，是英国传统上最伟大的与控制相对立的文章。

耶鲁公开课 - 弥尔顿课程节选

Aristotle, in his Politics of course, tells us the most on this subject and often he is our source of information.

亚里士多德,在他的《政治学》中,告诉我们很多有关这个主题的知识,他经常也是我们信息的来源

耶鲁公开课 - 古希腊历史简介课程节选

It's the most simple-- or often called a bill-- a discount bond does not pay interest; it's sold at a discount.

它是最简单的,经常被称为国库券,它是一种贴现债券,且不付息,并以折扣价发行

耶鲁公开课 - 金融市场课程节选

And very often, the answer to some of our most pressing questions lies on the children on the bus.

很多时候，最紧迫的问题的答案,就在汽车的孩子身上。

哈佛公开课 - 幸福课课程节选

For most children and most of you, I hope, the answer's pretty clear: Autistic children will often just shrug, say, "How could I know?"

对于多数儿童和成人来说,但愿,答案非常明显,孤独症儿童通常只是耸耸肩,说,"我怎么会知道"

耶鲁公开课 - 心理学导论课程节选

He is often said to be the second most powerful man in the country after the president who is the most powerful man not only in the US, but also in the world.

他经常被人们称为,位列总统之后,国家里面最有权力的人,而总统不仅是美国,而且在世界上，都是权力最大的人。

普林斯顿公开课 - 国际座谈会课程节选

Another point about this sort of ambivalence about being czar is that he often made a point of choosing his most trusted advisors from the ranks of commoners and gave them the right to become titled after a certain amount of time after a certain amount of time in the royal bureaucracy.

他作为沙皇矛盾的另一点是,他最信任的顾问,常常是从普通民众中选出来的,而且经过一段时间后,他会在皇家官僚机构中给他们一个头衔

耶鲁公开课 - 欧洲文明课程节选

This is telling GC to yell at why you as often as possible, even about the smallest things to really push you to write the best, the most secure, the most correct code possible.

这说明为什么GCC尽可能地经常地提醒你，即使是一些最小的事情，来要求你能够,编写出最好的，最稳定的，最正确的代码。

哈佛公开课 - 计算机科学课程节选

The most common one and the one we're going to use, is what's often called big Oh notation.

也就是我们即将用的方法,就是通常被叫做大O的方法，它叫大O并不是因为。

麻省理工公开课 - 计算机科学及编程导论课程节选

And very often,it's the outliers, the differences that are the most interesting.

很多时候，这个异常值，这些差异最有趣。

哈佛公开课 - 幸福课课程节选

Most of those who attempt to sell too late and buy too late and do both too often, incurring heavy expenses and developing too unsettled and speculative state of mind."

大多数试图晚卖或晚买的人,或者经常既晚卖又晚买的人会损失惨重,而且变得心神不定还特别喜欢投机

耶鲁公开课 - 金融市场课程节选

The Chief of Staff is often said to be the secnond most powerful man in the country, after the president who is the most powerful man not only in the United States, but also in the world.

办公厅主任被称为,国内第二有权利的人，仅次于美国总统,总统不仅在美国权力最大，在世界上也是如此。

普林斯顿公开课 - 国际座谈会课程节选

Because they said the experiment must go on, very often, people went-- most people, Americans went on and shocked that person, even to the point of the other person whimpering and begging to be let out, simply because of the word, " "the experiment must go on".

因为他们说实验必须进行下去，经常的，人们会-,多数人，美国人都会继续电击那个人，甚至电击到另一个人哭泣,恳求放他出去，仅仅是因为那一句，“实验必须进行下去。

哈佛公开课 - 幸福课课程节选