On the rickety bridge you're swaying in the breeze hundreds of feet above the water, the bridge seems unstable.
在摇摇摆摆的桥上面,你在几百尺高的水上悬着,在微风中荡来荡去,桥似乎也不稳。
because when you're up on that point, you see anything that's in the water, anything close to the surface and,
因为当你站在那里的高处,你能看到贴近水面的一切,而且,
So, instead of having the periodic variation of water, or the periodic variation of air density here we're talking about an electric field.
不像水或者空气密度的,周期变化,我们这里,讨论的是电场。
The reference points are water freezing or boiling, and the interpolation is linear and then that morphed into the Kelvin scale as we're going to see later.
参考点是水的冰点和沸点,插值是线性的,随后它被发展成为开氏温标,我们之后会看到。
Hormones can be proteins, endocrine hormones can be proteins, meaning they're large molecules that are usually fairly water soluble, or they can be steroids.
激素可以是蛋白,内分泌激素可以是蛋白,这意味着激素是大分子,并且通常是水溶性的,激素也可以是类固醇
Water, yeah. They're seedy, aren't they?
水,没错,而且很脏,对吧?
You could think of these as two companies producing bottled water and now we're going to get hundreds of letters saying not all bottled waters are the same, especially from Italians and the French, but never mind. Let's just pretend that they are.
把他们想象成两家瓶装水厂商吧,我估计我们会收到数百封信件,告诉我说不是所有瓶装水都是一样的,尤其是从意大利和法国寄过来的那些,无所谓了,就把它们想象成是同质的吧
I mean, they're surrounded by water everywhere you look.
我是意思是,那儿四面环水
They're water soluble and fat soluble vitamins that look like this, and the difference between the two is that the fat soluble vitamins when they're ingested, gets stored in the body fat primarily in the liver.
分为脂溶性维生素和水溶性维生素,像这样,二者的区别在于,脂溶性维生素一经摄取,大多都储存在肝脏的脂肪中
Geographically it's different. We're 8 hours from the ocean from any water.
地理特征就不同。我们去海边大约有8个小时的路程。
So rowing, water polo, swimming, they're all like number one.
赛艇,水球,游泳几乎都是第一名。
And then they found that they could freeze-dry this preparation of virus, and freeze-drying to lower the temperature, freeze it, then extract out all the water, so you're left with a powder, basically a powdered form of the virus, that could be shipped all over the world, and then reconstituted by adding water to it.
研究者们发现可以冷冻干燥这些病毒制剂,冷冻干燥就是就是降低温度,冷冻病毒,然后提取出所有水份,然后就剩下一些粉末,这主要是粉末状的病毒,这样就能将它运往全世界,并可以通过加水来恢复病毒的活性
They're two water companies, so they're Poland Spring and Coca-Cola I guess these days, sign this agreement saying that each one's going to produce half monopoly quantity and what's going to go wrong with that agreement?
有两家瓶装水公司,比如说波兰泉和可口可乐,他们签署了协议规定,每家都只生产垄断产量的一半,这个协议有什么问题吗
A kilocalorie, and this is really what we--when people talk about calories, how many calories in food, it's really kilocalories that they're referring to, but that would be the energy required to raise a kilogram of water one degree centigrade.
一千卡,是人们讨论卡路时是真正用的单位,当提起食物中的热量,人们指的是多少千卡,一千卡,是将一千克水提升1℃所需要的热量
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