[化] 磁性氧化铁
[医] 磁性氧化铁

SSS 2008-08-26

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the

发表于:2018-12-24 / 阅读(210) / 评论(0)

Scientific American(八)月

SSS 2010-12-14

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. In the spring of 1912 an iceberg in the Atlantic took down the Titanic. Now, some humble bacteria are trying to finish the job. Scientists analyzing rust f

发表于:2018-12-24 / 阅读(248) / 评论(0)

Scientific American(十二)月

跟艾米莉一起学口语第40期:变成

change into把...变成... You can't change iron into gold. 你不能把铁变成金。 I want to change dollars into pounds. 我想把美元换成英镑。 A:Yesterday I bought a sweater from your store.and I'm afraid it's too small for.so I want to

发表于:2018-12-26 / 阅读(152) / 评论(0)

跟艾米莉一起学口语

第74期: kneel, lap, magnetic, nasty, zero

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 kneel [ ni:l ] She knelt to pray. v. 跪

发表于:2018-12-30 / 阅读(268) / 评论(0)

每日攻克5词

SSS 2008-06-04

This is Scientific American's 60-Second Science, I am Cynthia Graber.This'll just take a minute. On earth, snow crystals as we all know, form from frozen water. But scientists believe there're also flakes that fall on Mercury, and they're made of iro

发表于:2019-01-07 / 阅读(184) / 评论(0)

Scientific American(六)月

VOA常速英语2007-Iron Train a Lifeline for Rural Mauritania

By Naomi Schwarz Northern Mauritania 17 October 2007 In arid Mauritania, where Sahara desert meets Sahel grasslands, a train stretching up to two and one half kilometers snakes along the northern border. Built to carry iron ore from mines in the nort

发表于:2019-01-07 / 阅读(192) / 评论(0)

2007年VOA常速英语（十月）

音乐咖啡厅:Put the sun back-the coral

I caught you crying Trying to hide your tears away And all the while I never knew you felt this way I've loved you from the start How could we let this come apart? We've got to put The sun back in our hearts Through the alleyways The avenues ans dre

发表于:2019-01-11 / 阅读(228) / 评论(0)

音乐咖啡厅

VOA标准英语2013--Magnetic Ring Used to Stop Acid Reflux

Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin

发表于:2019-01-14 / 阅读(243) / 评论(0)

VOA标准英语2013年(四月)

英语听力：自然百科地球力场 Earth's Force Field—2

Radiation causes damage at the most fundamental level. It mutates the blueprint of life, DNA. Earth's magnetosphere is our crucial defense. It's so fundamental to our evolution and continued existence that the race is on to understand why it's changi

发表于:2019-01-22 / 阅读(142) / 评论(0)

自然百科2011年

英语听力：自然百科地球力场 Earth's Force Field—7

The loss of the magnetic field has a catastrophic impact on the planet's evolution. Mars becomes the red planet we see today. If earths magnetic protection continues to fade, would it suffer the same fate? If it vanishes completely, the planet might

发表于:2019-01-22 / 阅读(186) / 评论(0)

自然百科2011年

英语听力：自然百科地球力场 Earth's Force Field—8

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

发表于:2019-01-22 / 阅读(171) / 评论(0)

自然百科2011年

CCTV9英语新闻：Global iron ore output surges amid slowdown in China

China's iron ore manufacturers say they're struggling to keep their businesses afloat because of high costs and taxes while production is on the rise for the sector's global giants. Brazil's Vale SA is the world's largest iron ore producer and it say

发表于:2019-02-03 / 阅读(210) / 评论(0)

cctv9英语新闻2015年

CCTV9英语新闻11月：河北关闭污染严重的钢铁厂

By CCTV reporter Ning Hong Efforts to reduce air pollution in China seem to be accelerating. In a coordinated action on Sunday, local authorities pulled down facilities in three cities in Hebei Province, a main center of iron and steel manufacturing.

发表于:2019-02-04 / 阅读(147) / 评论(0)

CCTV9英语新闻2013年11月

CCTV9英语新闻：China's first permanent magnetic monorail train successfully completes test run

China's first permanent magnetic monorail train has successfully completed a test run in the city of Qingdao, in Shandong Province. The high-tech urban transportation system features strong climbing capacity, a small turning radius, energy efficiency

发表于:2019-02-05 / 阅读(201) / 评论(0)

cctv9英语新闻2016年

【简明语法】15.1 并列结构作主语时谓语用复数

Reading and writing are very important. 注意：当主语由and连结时，如果它表示一个单一的概念，即指同一人或同一物时，谓语动词用单数，and 此时连接的两个词前

发表于:2019-02-06 / 阅读(136) / 评论(0)

英文语法词汇

Magnetic Bubbles Detected at Edge of Solar System

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(204) / 评论(0)

英语新闻

英语歌曲：周五晚上Pub见：Magnetic Man - I Need Air

周五晚上Pub见：Magnetic Man - I Need Air Magnetic Man，来自英国的新人，这首电子风的新单曲本周同样杀入英国单曲榜前十一周上榜那么多舞曲，生活需不需要这么五彩缤纷啊这张单曲封面要不要这么

发表于:2019-02-11 / 阅读(186) / 评论(0)

经典英文歌曲

托福听力中的举例细节题

托福听力中细节题目庞杂，转折、对比、问答、强调、解释等等，整个听力过程中都需要高度戒备，以防掉入ETS挖的陷阱中去。本文就且集中探讨一下细节题中常见的一类：举例细节题。首先

发表于:2019-02-13 / 阅读(154) / 评论(0)

托福英语

英语歌曲:周五晚上Pub见Magnetic Man - I Need Air

发表于:2019-02-14 / 阅读(218) / 评论(0)

流行英文歌曲

用电脑的人必看的商务英语-1

电脑英语--常见硬件篇CPU：Central Processing Unit，中央处理单元，又叫中央处理器或微处理器，被喻为电脑的心脏。 RAM：Random Access Memory，随机存储器，即人们常说的内存。 ROM：Read－Only Memory，只

发表于:2019-02-15 / 阅读(196) / 评论(0)

天天商务口语

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学英语单词

aquae gratianae (aix-les-bains)

Arctotis stoechadifolia

atroha

better an open enemy than a false friend

Borhyaenoidea

canafistulas

card trailing edge