Basically what he did is he took a very thin metal foil and he bombarded it with charged particles.
简单的说他做的工作是,用一张非常薄的金属箔,然后用带电的粒子轰击它。
I used to listen to a lot of hip-hop music and heavy metal when I was younger.
我年轻的时候,我常常听一些嘻哈和重金属音乐。
Those are the familiar and empirical objects that we can see, pieces of paper, bodies, pieces of chalk, bars of metal.
那就是我们能看见的,熟悉的已知的物体,纸,身体,粉笔,金属棒。
But their shields are made of wicker and they don't have that kind of metal body armor and all that stuff.
而他们的盾是用藤条做的,同时他们也没有金属装甲和其他护具
So, the active part of the thermometer could be water. It could be alcohol, mercury, it could be a piece of metal.
那么温度计的工作部分,可以是水可以是酒精,水银,可以是一块金属。
So platina is like a diminutive of silver, but we now know that platinum is far superior to silver It is far more noble. It has a higher melting point, a higher chemical inertness, a fantastic metal.
所以普拉塔就像一个小小的银,但我们现在知道普拉塔比银要好很多,更为珍贵,熔点更高,化学惰性更高,是一种非常不可思议的金属。
So, the take-home message is whether you have three photons or 3,000,000 photons that you're shooting at your metal, if you're not at that minimum frequency or that minimum energy that you need, nothing is going to happen.
所以,这里表明的信息是,无论是向金属发射3个光子,还是300万个光子,如果没有达到所需的最低频率,或者最小能量,什么事情都不会发生。
There were people goldsmiths were people who worked in the metal gold and made beautiful things for people jewelry and other things.
有人,比如金匠就是是,铸造金的形状,并且为人民铸造美丽的东西的一群人,包括珠宝和一些其它的东西。
Go ahead and just pull that metal plate off.
把这些金属片拆开。
Hi-diddily-ho, pedal-to-the-metal-o-philes.
嗨,邻居。
and we are a black, Afro-American heavy metal group.
我们是一个由非裔美国黑人组成的重金属乐队。
As Little Albert was playing with the rat, " "Oh, I like rats, oh," and banged the metal bar right here .
小阿尔伯特正在和老鼠玩耍,“噢,我喜欢老鼠“,重击那里的金属棒。
They're studying practical things like marble work, and metal work, and copper work, and not just shipbuilding.
他们学习一些实用的东西,比如大理石打磨,金属冶炼和铜器制造,并且不仅仅是造船术
because of the sound of metal against metal.
因为这是金属撞击金属的声音。
So we say aluminium, you know, the metal, the foil, they say aluminum.
所以我们说aluminium,一种金属,锡箔,他们说aluminum。
Suppose I take a bar of metal, and I banded it.
假如我拿一个金属棒,折一下。
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