稀土元素
词型变化:名词复数形式 : rare earths

rare earth的用法和样例:

例句

用作名词(n.)
  1. The expected amount of hydrogen loss matches the net excess of oxidized material on Earth today.据此估计氢的损失量,和今日地球上的氧化物净值吻合。
【近义词】

Here are some of the top economic stories of two thousand ten. The world continued to struggle with a slow recovery from the financial crisis two years earlier. Greece admitted to bigger-than-expected budget deficits. Investors punished Greece with m

发表于:2018-11-27 / 阅读(482) / 评论(0) 分类 2010年VOA慢速英语(十二)月

Hello and Welcome to News and Reports on China Radio International. In This EditionThe international community, including China, Russia and the United States, has expressed concerns over North Korean's announcement of planned satellite launch next mo

发表于:2018-12-11 / 阅读(112) / 评论(0) 分类 2012CRI中国国际广播电台

And china's decision to restrict exports of rare earth minerals is to be challenged at the World Trade Organization.The US,EU and Japan were reportedly file the suit the with the global trade watchdog.China is the largest producer of rare earths,whic

发表于:2018-12-11 / 阅读(91) / 评论(0) 分类 澳洲ABC新闻快递2012年

Rare Minerals May Be in North Korea 稀有矿物质可能在朝鲜发现 Hello and welcome back. Im Jim Tedder in Washington. Today we are going to talk about something that is worth a lot of money, and it is buried in the ground. Were not exactly go

发表于:2018-12-16 / 阅读(127) / 评论(0) 分类 2014年VOA慢速英语(二)月

Rare Astronomical Event to Occur June 5-6 Skywatchers on all seven continents will get a chance to witness an astronomical rarity on June 5 or 6, the transit of the planet Venus. It is likely the last time anyone alive today will have a chance to vie

发表于:2018-12-16 / 阅读(119) / 评论(0) 分类 VOA标准英语2012年(六月)

Rare but Deadly By Susan Brink /2005, U.S. News World Report . All rights reserved with permission. Distributed by Tribune Media Services International. Simple, cheap blood tests could save thousands

发表于:2018-12-19 / 阅读(184) / 评论(0) 分类 彭蒙惠英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

发表于:2018-12-24 / 阅读(144) / 评论(0) 分类 Scientific American(九)月

Pre-Listening Vocabulary rare: not common irrational: not reasonable classified: grouped by like qualities provoke: to excite or bother a living thing and cause a reaction initiate: to be the one to start something delicacy: a type of food that is ra

发表于:2018-12-28 / 阅读(93) / 评论(0) 分类 趣谈英语

Yesterday morning, New Zealanders were lucky to see a partial solar eclipse. This occurs when the moon passes between the sun and the earth. In Queensland, Australia, there was a total eclipse total darkness for about two minutes. A partial eclipse m

发表于:2018-12-31 / 阅读(132) / 评论(0) 分类 新西兰英语

Wanted to slice out little time,we wish everyone a happy pie day on this March 14th.413 Ok.let's go ahead to get today's headlines. Two primaries two caucuses,110 delegates,that's what was the stake yesterday in the race for the Republican presidenti

发表于:2019-01-08 / 阅读(154) / 评论(0) 分类 CNN2012年(三)月

Economics Report - Limits on Rare Earth Exports Get China in Trade Dispute 经济报道 - 稀土限制使得中国陷入贸易纠纷 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The United States,

发表于:2019-01-12 / 阅读(106) / 评论(0) 分类 2012年VOA慢速英语(三)月

This is the VOA Special English Economics Report. Few people had ever heard of the natural elements known as rare earth metals before a recent dispute between China and Japan. Yet these metals are used in devices like smartphones, flat screens, hybri

发表于:2019-01-12 / 阅读(132) / 评论(0) 分类 2010年VOA慢速英语(十)月

This is the VOA Special English Economics Report. Today we continue our report on the group of chemical elements known as rare earth metals. These are mined from the earth and used to make technology from mobile phones to missiles. The United States

发表于:2019-01-12 / 阅读(154) / 评论(0) 分类 2010年VOA慢速英语(十)月

AS IT IS 2015-09-25 Rare 'Supermoon' Eclipse Only Days Away Many people are looking forward to something unusual in the skies this weekend. In fact, astronomers note that an event like this last happened 33 years ago! People will have a chance to wit

发表于:2019-01-12 / 阅读(101) / 评论(0) 分类 2015年VOA慢速英语(九)月

RACHEL MARTIN, HOST: Scientists have developed a better test for a very rare brain disease. And as NPR's Rae Ellen Bichell reports, this test could lead to new ways to diagnose more common diseases like Parkinson's and Alzheimer's. RAE ELLEN BICHELL,

发表于:2019-01-16 / 阅读(140) / 评论(0) 分类 2017年NPR美国国家公共电台2月

BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and

发表于:2019-02-08 / 阅读(132) / 评论(0) 分类 英语新闻

China is the world's largest producer and exporter of rare-earths. These are elements which are critical to the manufacturing of high-tech products, including smartphones, wind turbines and car batteries, among other things. However, the rare-earth i

发表于:2019-02-14 / 阅读(115) / 评论(0) 分类 2016CRI中国国际广播电台

Dialogue 1 Jingjing and Mark are having lunch together. 京晶和马克在一起吃午餐 Jingjing: Mark, how are things in your corner? 京晶:马克,最近怎么样啊? Mark: Well, most of my work is finished, and I'm just about ready for the

发表于:2019-02-23 / 阅读(116) / 评论(0) 分类 英语PK台

Hello and Welcome to News and Reports on China Radio International. In This Edition Chinese experts express concerns over a possible new round of quantitative easing monetary policies by the United States. US attorney-general says investigation is on

发表于:2019-02-28 / 阅读(187) / 评论(0) 分类 2011CRI中国国际广播电台

Two extremely rare Bengal white tiger cubs have been born at the wildlife center of the Czech Republic's Liberec Zoo, and are proving popular with visitors. These tiger cubs weigh 6 kilos 13 pounds, and were born two months ago. White tigers are the

发表于:2019-03-12 / 阅读(215) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
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Tracheophilus
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