So, this all starts, in terms of putting it in its historical context at the turn of the Century, we said we'd start right in on the 20th Century of where chemistry was.

从历史的观点来看,这些都起源于,上个世纪之交,我们说我们从。

麻省理工公开课 - 化学原理课程节选

Can you teach me how to use the turn signal?

你能教教我怎么使用转向灯吗？

Can 实战 - SpeakingMax英语口语达人

Someone else is going to come in and produce cola in this industry and that's exactly what happened in the U.S. At the turn of the last century.

其他公司会参与进来也生产可乐,这就是上个世纪末在美国发生的事情

耶鲁公开课 - 博弈论课程节选

Now the master of syncopation, of course, in music was Scott Joplin, African American composer writing a lot around the area of St. Louis in the turn of the twentieth century.

说到使用切分音的大师,我们自然想到斯考特·乔普林,是位多产的美国黑人作曲家,二十世纪初居住在圣路易斯地区

耶鲁公开课 - 聆听音乐课程节选

For example, in terms of the atomic theory of matter, at the time at the turn of the Century, the understanding was that atoms were the most basic constituent of matter, meaning you couldn't break atoms up into anything smaller - that was it, you're done.

例如在原子理论中,在19，20世纪之交的时候,人们认为原子是,组成物质的最基本粒子,也就是说你不能,把原子再分割了,就这样了。

麻省理工公开课 - 化学原理课程节选

This is of some interest to us, so turn to the left-hand column of page 720 in the Hughes edition.

这让我们觉得有趣，在休斯的版本里翻到720页左边一栏。

耶鲁公开课 - 弥尔顿课程节选

We'll get into the proper or at least more systematic business of the course when we turn to hermeneutics next week.

下周我们讲到阐释学的时候,将会真正地或者说更系统地对这门课程进行讲解。

耶鲁公开课 - 文学理论导论课程节选

If you have a large number of atoms in an aggregate, it is going to require that the substance turn solid and condense at room temperature.

如果有很多原子进行聚集，在室温下,会使的物质转变成固体状态。

麻省理工公开课 - 固态化学导论课程节选

We can see how whether it's the same person or not has to turn on the relations between the stages.

我们可以看到，是否为同一人,必须依赖于人在两个时期的关系。

耶鲁公开课 - 死亡课程节选

Let's begin with those in the majority who would turn to go onto the side track.

先从大多数选择了转向侧轨的同学开始。

耶鲁公开课 - 公正课程节选

It's not the whole story though. Let me turn to the question of the physical picture that you ought to have of a polis.

但还有别的原因,让我们看一下,城邦所处的自然环境,你们心里应该有个大致的画面

耶鲁公开课 - 古希腊历史简介课程节选

OK, let's just turn the crank on the maths.

好，让我们开始数学推导。

麻省理工公开课 - 热力学与动力学课程节选

If the temperature drops below a certain level it sends a signal, 'turn on the heat', and that signal stays on until it gets a negative signal to turn off.

如果温度降到一定程度以下时,探测器会发送一个信号,打开加热器,直到加热器再收到关闭的信号,它就会一直开着

耶鲁公开课 - 生物医学工程探索课程节选

Turn the camera out into the audience, let's have a look. Who thinks more?

请把摄像机对准观众,我们来看看,谁觉得超越了

耶鲁公开课 - 博弈论课程节选

You just turn the volume down a little bit so we'll go on.

音量关小一点就好,我们继续讲

耶鲁公开课 - 聆听音乐课程节选

Look, when somebody's asleep, we need to do something to, in effect, wake them up, something to turn the functioning back on.

当某人熟睡时，我们需要做些什么才能叫醒他们，做些什么才能恢复他们的功能。

耶鲁公开课 - 死亡课程节选