It allows you to define the concept of a thermometer. You have three objects, one of them could be a thermometer.

从热的物体流向冷的物体,由此我们可以定义温度，我们还可以用它来定义温度计：

麻省理工公开课 - 热力学与动力学课程节选

and it's just this massive influx of money for Comic Relief that comes from the general public.

大量的金钱从大众流向喜剧救助会。

英国的慈善事业 - SpeakingMax英语口语达人

a You know that what will happen is that heat will flow from a to b from b to c and from a to c. That's common-sense.

你知道会发生的是热量从流向,从流向,以及从流向。

麻省理工公开课 - 热力学与动力学课程节选

Most of the influence,I suspect, was going one way in those days- from the more advanced civilization of the east to the Greeks.

而且我怀疑,绝大多数影响,在那些日子中是单边流向的,从东方更高级的文明流向希腊

耶鲁公开课 - 古希腊历史简介课程节选

It's fantastic because it all goes to charity.

这太了不起了，因为它全都流向了慈善事业。

英国的慈善事业 - SpeakingMax英语口语达人

It goes from the region of the cell where the dendrites are down through the axon.

它从这个细胞的,树突顺流直下流向轴突

耶鲁公开课 - 生物医学工程探索课程节选

And here, in an isothermal expansion, The bath is putting back the energy that the gas is expanding or using to expand, and so the energy is flowing back into the gas through the environment in the isothermal expansion.

而在等温膨胀中，恒温环境将气体膨胀对外做功,而损失的能量又返还回来，在等温膨胀中,能量从环境,流向系统。

麻省理工公开课 - 热力学与动力学课程节选

The second law is going to define entropy, and is going to tell us about the direction of time, something that conceptually we, clearly, understand but is going to put a mathematical foundation on which way does time go.

第二定律定义了熵，它告诉我们,时间的流向，虽然我们清楚地,知道这个概念,但还是要为时间流动的方向,建立一个数学基础。

麻省理工公开课 - 热力学与动力学课程节选

All cell membranes have these channels within them, and under their resting conditions sodium is moving from outside to inside, potassium's moving from inside to outside.

所有细胞膜上都有这种通道结构,在静息状态下,钠从细胞外流向细胞内,钾从细胞内流向细胞外

耶鲁公开课 - 生物医学工程探索课程节选