Rare earth metals come from minerals found in countries around the world.

稀土金属发现于世界各国的矿物。

It's also a waste of resources, like valuable rare earth metals.

其实它们也有废物利用的价值，比如说含有珍贵的稀有金属。

Later, he said, the space agency may try to mine iron and rare earth metals.

他说，之后，美国航空航天局可能会尝试开采铁和稀土金属。

Brazil is believed to have the world's third-largest supply, or reserves, of rare earth metals.

巴西被认为拥有世界第三大的稀土金属供应，或者说储量。

Rare earth metals are in demand for products such as magnets, wind turbines, solar panels and computers.

磁铁、风力涡轮机、太阳能电池板和计算机等产品对稀土金属的需求很大。

But currently, low prices for rare earth metals, technical difficulties and concerns from possible lenders present problems.

但是，目前稀土金属价格低廉、技术困难以及可能的贷款人的担忧都是问题所在。

Currently, the United States and its allies depend almost completely on China for rare earth metals.

目前，美国及其盟国几乎完全依赖中国供应稀土金属。

Rare earth metals are 17 elements that are important to electronic equipment and to batteries, electricity storage devices.

稀土金属是 17 种元素，对电子设备和蓄电池（蓄电设备）非常重要。

These so-called cobalt-rich crusts contain metals like cobalt, iron, and manganese, as well as rare earth metals like tellurium and platinum.

这些所谓的富钴结壳含有钴、铁和锰等金属，以及碲和铂等稀土金属。

Let me write this out, alkaline earth metals.

让我写出来，碱土金属。

A barrier to getting big mining projects started has been a 70 percent drop in the price of many rare earth metals.

启动大型采矿项目的一个障碍是许多稀土金属价格下降了70%。

In fact, many of Earth's most valuable metals can also be found in asteroids.

事实上，许多地球上最有价值的金属也可以在小行星中找到。

The first two columns on the left are your alkali metals, and your alkaline earth metals.

左边的前两列是碱金属和碱土金属。

Seventeen of the chemical elements on the table are rare earth metals which are widely used in electronics.

表中的 17 种化学元素是广泛用于电子产品的稀土金属。

In fact, of the 17 types of rare earth metals, phones and other electronics may contain up to 16.

事实上， 在 17 种稀土金属中，手机和其他电子产品可能含有多达 16 种。

If we move one over to the right this group two right over here, these are called the alkaline earth metals.

如果我们把一个移到右边，这两个就在这里，它们被称为碱土金属。

The United States Geological Survey reports that the countries with the largest supplies of rare earth metals are China, Vietnam, Russia and Myanmar, also known as Burma.

美国地质调查局报告称，稀土金属供应量最大的国家是中国、越南、俄罗斯和缅甸。

I hear that the five elements refer to wood, fire, earth, metal and water. Could you please tell me in detail?

我以前听说过五行是指木、火、土、金、水。您能详细说说吗？

The five elements refer to wood, fire, earth, metal and water as well as their motion and changes in the natural world.

五行指的是木、火、土、金、水， 以及它们在自然界中的运动和变化。

Rare earth metals that are used to make things like smartphones were discovered and Eawag believes that 6,500 pounds of silver worth around $1.8 million flows into wastewater every year.

人们发现了用于制造智能手机等产品的稀土金属，Eawag 认为每年有 6,500 磅价值约 180 万美元的白银流入废水中。