It is bigger even than the Princess Lenore's room and it is made of hot copper, nobody can touch it.

VOA: special.2009.03.28

So it looks like most of you got that the electron configuration that we're writing here is for copper.

看来大多数人,都看出了,这是铜原子的电子排布。

麻省理工公开课 - 化学原理课程节选

So, hopefully, if you were to go back and look you could see that this is, in fact, copper.

因此，我希望大家如果回去再看一遍,这个题目的话，能够知道这是铜原子。

麻省理工公开课 - 化学原理课程节选

When they have removed all the dirt, they are down to the brass tacks, the copper pieces that hold the boat together.

VOA: special.2010.05.16

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

耶鲁公开课 - 欧洲文明课程节选

There is also an image of a bell inside a copper-colored inkwell on the front of the note.

VOA: special.2010.11.15

The Aynak copper mines have billion dollars but they going to make 8 billion dollars.

在阿富汗艾娜克铜矿投资了十亿多,但也能够赚到八十亿。

普林斯顿公开课 - 国际座谈会课程节选

For example, adding copper to glass can make it blue, while adding tin can make it white.

VOA: special.2009.09.16

So, that's actually the electron configuration we have when we're talking about copper and some other exceptions in the periodic table that you're going to be looking at.

因此，这才是铜原子真正的电子排布,而且我们在元素周期表中,会看到与铜原子类似的,其他例外的情况。

麻省理工公开课 - 化学原理课程节选

Bartholdi decided to make a copper statue in the image of a woman -- Lady Liberty.

VOA: special.2010.05.06

They got the name because they wore a copper penny showing the head of an Indian.

VOA: special.2009.10.15

It is made mostly of copper. Throughout history,images of liberty have been represented as a woman.

VOA: special.2009.06.29

They wore on their coats a copper penny showing the head of a Native American Indian.

VOA: special.2009.10.29

Michelle Brody's "Arbor Lace" is an outdoor structure with a frame made from copper pipes.

VOA: special.2011.06.15

The iron and copper helmet was probably used for ceremonies.

VOA: special.2010.08.04

They began producing what they called "copper-riveted waist overalls."

VOA: special.2011.08.12

Leadville had gold, silver and copper mines.

VOA: special.2010.03.08

They began producing "copper-riveted waist overalls."

VOA: special.2009.12.18

Before it went into effect some economists predicted the trade agreement would increase sales of Indonesian commodities such as palm oil,copper,and rubber, but would hurt low-end manufacturers.

VOA: standard.2010.05.13

The bronze medals are largely copper because burnished bronze and gold are similar in color, and the mint did not want any confusion as to which medal an athlete receives.

VOA: standard.2010.02.16

The company's output of iron ore, as well as copper, zinc and nickel, surged in the last three months of 2009 because of strong demand from Chinese carmakers and construction companies.

VOA: standard.2010.01.21