标签：Copper 相关文章

Additive Problems in Lime-preserved Eggs

A new round of food safety checks is underway in China after reports emerged suggesting a number of egg-processing plants have been using potentially-toxic copper sulphate to help pickle lime-preserved duck eggs. CRI's Li Dong has more details. Gener

发表于:2018-12-19 / 阅读(64) / 评论(0) 分类 世界各地新闻集锦

出国旅游口语一本通 第22期:Looking for a Seat 找座位

第22期:Looking for a Seat 找座位 Y:May I sit here? Y:我可以坐这里吗? X:I'm afraid this seat is taken. X:这个座位恐怕有人坐了。 Y:Oh,is it? Thank you anyway. Y:哦，是吗?不管怎么样仍谢谢你。 X:You're welcome .Why if

发表于:2018-12-26 / 阅读(42) / 评论(0) 分类 出国旅游口语一本通

英语听力：自然百科 马蹄蟹与人类（一）

As the water is warm and tides grow high, horseshoe crabs leave the ocean floor and make their way to the shores and estuaries of the Atlantic Coast. Here in the sheltered waters of South Carolina, they suddenly emerge by the thousands in the spawnin

发表于:2018-12-26 / 阅读(52) / 评论(0) 分类 自然百科2009年

第三册第19篇：我在费城的第一天

19 My First Day in Philadelphia 我在费城的第一天 by Benjamin Franklin I have been the more particular in this description of my journey, and shall be so of my first entry into that city, that you may in your mind compare such unlikely beginni

发表于:2018-12-28 / 阅读(100) / 评论(0) 分类 陈冠商英语背诵文选合集

英文书摘精选 做你自己的调查记者

News in the age of information We are often told that the age of the information economy has arrived. The idea is that intellectual work is becoming a more important source of wealth than manufacturing. There are already too many factories for the nu

发表于:2018-12-28 / 阅读(38) / 评论(0) 分类 初学者听力文摘精选

美国学生世界地理教材 第147期:铁幕国家(3)

Bulgaria is an Iron Curtain country next to the Black Sea. 保加利亚是黑海边的一个国家， It has forests and mountains as well as farm land. 它有很多森林、山脉和农田。 In the forests live bears, wild-cats, and wild boars. 森林

发表于:2018-12-28 / 阅读(66) / 评论(0) 分类 美国学生世界地理教材

国家地理-2008-09-27 伦敦的骸骨展

Transcript--by myconsent(for reference only) Construction workers in London are currently busy with redevelopment activity across the city. But it often disturbs the graves of thousands of long-deceased Londoners buried deep beneath the modern city.

发表于:2018-12-30 / 阅读(51) / 评论(0) 分类 国家地理2008年

各大品牌英文介绍-Levi’s

Levis have been the most famous brand of jeans and denim clothing for decades. Levi Strauss Co. was founded in 1853 when Levi Strauss emigrated from Germany to San Francisco to help with his brothers dry goods business. The company began producing de

发表于:2019-01-01 / 阅读(83) / 评论(0) 分类 各大品牌英文介绍

澳大利亚科学家推出一种望远镜来观察地下深处

Australian Scientists Propose a Telescope to Look Deep Underground Scientists in Australia want to build what they describe as a downward looking telescope to look for mineral wealth under the Earths surface. The telescope is really a project aimed a

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 2018年VOA慢速英语(十)月

AP美联社一分钟新闻(2010-06-17)

1. President Barack Obama is promising Gulf Coast residents that the region will be left in better shape than it was before the massive BP oil spill. On a visit to the Alabama Coast, Obama said his administration will do everything it can to make sur

发表于:2019-01-11 / 阅读(99) / 评论(0) 分类 美联社新闻一分钟2010(六月)

VOA慢速英语2011--Words and Their Stories: Brass Tacks

Words and Their Stories: Brass Tacks Now, the VOA Special English program WORDS AND THEIR STORIES. 现在是美国之音慢速英语词汇典故节目。 Our expression today is getting down to brass tacks. It means to get serious about something, to

发表于:2019-01-12 / 阅读(82) / 评论(0) 分类 2011年VOA慢速英语(五)月

VOA慢速英语2011--Smithsonian Exhibit Celebrates Rescue of

AMERICAN MOSAIC - Smithsonian Exhibit Celebrates Rescue of Chilean Miners (MUSIC) DOUG JOHNSON: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. This week on our show, we have music from a new album by the Swedish electron

发表于:2019-01-12 / 阅读(170) / 评论(0) 分类 2011年VOA慢速英语(八)月

VOA慢速英语2014 韩国尝试重新利用更多的电子垃圾

South Korea Attempting to Reuse More E-Waste 韩国尝试重新利用更多的电子垃圾 South Korea is dealing with increasing amounts of waste from electronic devices. These useless or unwanted parts are often called e-waste. Tons of old computer

发表于:2019-01-12 / 阅读(65) / 评论(0) 分类 2014年VOA慢速英语(十一)月

VOA标准英语--Ocean Floor is Prime Target of Mining Industry

Ocean Floor is Prime Target of Mining Industry The next great frontier for the mining industry could be hydrothermal vents that lie deep on the ocean floor. The super-hot flues create deposits of sulfide, which contain precious metals such as gold, s

发表于:2019-01-13 / 阅读(90) / 评论(0) 分类 VOA标准英语2012年(六月)

英国学生科学读本 第64期:红色金属--铜(2)

Copper can be rolled or hammered out into thin sheets, and so we say that it is malleable. It can also be easily drawn out into wire, and for this reason we call it ductile. Sheet copper is much used for covering the bottoms of ships, and for making

发表于:2019-01-17 / 阅读(72) / 评论(0) 分类 英国学生科学读本

2016年12月英语六级语法：常见句式

对于六级考试来说，除了基本的词汇量之外，基础的语法也是不可或缺的哦！那么，我们一起来学习吧！ 1. 常考的几种倒装结构 1) 当表示否定或基本否定的词或词组位于句首作状语时用倒装。

发表于:2019-01-17 / 阅读(76) / 评论(0) 分类 大学四六级阅读

英语听力：自然百科 伦敦的骸骨展

Construction workers in London are currently busy with redevelopment activity across the city. But it often disturbs the graves of thousands of long-deceased Londoners buried deep beneath the modern city. The Wellcome Collection has brought together

发表于:2019-01-22 / 阅读(81) / 评论(0) 分类 自然百科2008年

公众人物毕业演讲 第169期:比尔·奈马萨诸塞大学2014(16)

Directs a great deal of that bucket blast around your waistband. 仍然会将大量的水引向你的腰间。 So you get a lot less cold water in your trousers. 抽出下摆 能够让水较少地流进裤子里。 I know this to be true. 我知道这是

发表于:2019-01-25 / 阅读(56) / 评论(0) 分类 公众人物毕业演讲

PBS高端访谈:纽约利用桑迪的经验教训,建立抵御超级风暴的机制

GWEN IFILL: This week marks a year since superstorm Sandy struck. More than 70 people were killed along the Eastern Seaboard. Damage totaled more than $65 billion, and it pounded New Jersey and New York City hard. It also prompted a reexamination --

发表于:2019-01-27 / 阅读(70) / 评论(0) 分类 PBS访谈环境系列

英语听书《海底两万里》第328期 第23章 珊瑚王国(25)

Rifles! What for? Don't your mountaineers attack bears dagger in hand? And isn't steel surer than lead? Here's a sturdy blade. Slip it under your belt and let's be off. 枪支：有什么用？你们山中人不是手拿短刀去打熊吗？钢刀不比

发表于:2019-01-27 / 阅读(76) / 评论(0) 分类 《海底两万里》中英双语有声读物
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