un. 直流可控电抗器

贸易保险术语

发表于:2019-01-04 / 阅读(141) / 评论(0)

英文语法词汇

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(166) / 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(175) / 评论(0)

2007年VOA常速英语（十月）

SSS 2011-09-08

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Thars gold in them thar hillsand we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earths

发表于:2019-01-08 / 阅读(175) / 评论(0)

Scientific American(九)月

国际贸易英语词汇集锦

All Risks 一切险 F.P.A. (Free from Particular Average) 平安险 W.A. / W.P.A (With Average or With Particular Average) 水渍险 War Risk 战争险 F.W.R.D. (Fresh Water Rain Damage) 淡水雨淋险 Risk of Intermixture and Contamination 混杂、玷

发表于:2019-01-11 / 阅读(113) / 评论(0)

实用英语

商务英语:国际贸易词汇术语大搜罗(贸易保险术语)

发表于:2019-01-11 / 阅读(133) / 评论(0)

实用英语

Strengthen Your Core With 5 Simple Exercises

Strengthen Your Core With 5 Simple Exercises From VOA Learning English, this is the Health and Lifestyle report. Your core is a complex network of muscles. It includes your abdominal muscles, back muscles and the muscles around you pelvis. Basically,

发表于:2019-01-12 / 阅读(191) / 评论(0)

2016年VOA慢速英语(七)月

VOA标准英语2011--Chernobyl Disaster Leads to Advances in

Chernobyl Disaster Leads to Advances in Science, Medicine The accident at the Chernobyl nuclear plant did much more than change the lives of hundred thousands of affected people. It also contributed greatly to Western science. Physicists and medical

发表于:2019-01-14 / 阅读(177) / 评论(0)

VOA标准英语2011年(四月)

VOA常速英语2015--150年历史的美国国会圆顶将被修复

150-Year-Old US Capitol Dome Being Restored 150年历史的美国国会圆顶将被修复 WASHINGTON The U.S. Capitol Dome in Washington, DC, is recognized world-wide as one of the most enduring symbols of the U.S. government and American democracy.

发表于:2019-01-14 / 阅读(118) / 评论(0)

VOA标准英语2015年(三月)

英语听力：自然百科穿越银河系的旅行 Through Milky Way—11

Once theyve caught the light of a dying star with their state of our telescopes. The detective work can begin. We collect that light and we analyze it in great detail in order to determine whats going on, whats the chemical makeup of the star, whats

发表于:2019-01-22 / 阅读(141) / 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(172) / 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(154) / 评论(0)

自然百科2011年

【文摘】再见，太阳！

Have you ever considered the possibility that the sun will eventually burn out? Don and Yael discuss that sobering thought on this Moment of Science. [OUTSIDE INSECT SOUNDS] D: Wow, what a beautiful s

发表于:2019-01-26 / 阅读(198) / 评论(0)

阅读空间

2007年VOA标准英语-US Says N. Korea Shutdown of Yongbyon Reactor a

By Stephanie Ho Washington 15 July 2007 U.S. National Security Advisor Stephen Hadley says Washington still has concerns about North Korea's nuclear program, despite Pyongyang's decision to shut down its main plutonium reprocessing facility. VOA's St

发表于:2019-02-01 / 阅读(200) / 评论(0)

2007年VOA标准英语（七月）

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(194) / 评论(0)

cctv9英语新闻2015年

每日一词【417】hard-core：坚定的，铁杆的

今天我们要学的词是hard-core。 Hard-core, 是指坚定的，铁杆的。Hard-core gamers, 是指打电玩上瘾的人。Hard-core members of the party, 是指一个政党的中坚力量。All my friends are hard-core Redskin fans, 我的朋友

发表于:2019-02-05 / 阅读(178) / 评论(0)

英语每日一词

中美财务会计学词汇

中美财务会计学词汇 balance between benefit and cost 收益与成本的平衡 balance sheet 资产负债表 balance sheet date 资产负债表日 balance sheet liability method 资产负债表负责法 bank overdrafts 银行透支 basic earnings per share 基本每股收益 beginning of

发表于:2019-02-06 / 阅读(170) / 评论(0)

英文语法词汇

学个词Learn a Word 第417期 Hard-core

发表于:2019-02-08 / 阅读(189) / 评论(0)

英语单词荟萃

太阳生命的终点是何时?

【英文原文】 Like all stars, the sun is basically a giant nuclear reactor that burns hydrogen to create energy. But like any reactor, the sun needs fuel to keep going. Its been going strong for around four-point-five billion years, and will pro

发表于:2019-02-16 / 阅读(240) / 评论(0)

英语听力广播—Listening

英语听力文摘 English Digest 370、太阳会消失吗？

So Long, Sun 再见了，太阳 D: Wow! What a beautiful sunset. Y: Enjoy it while it lasts, the sun wont be around forever, you know. D: You mean, one day the sun will disappear? Y: Not exactly disappear, but the sun will eventually burn out and die

发表于:2019-02-16 / 阅读(129) / 评论(0)

英语听力文摘 English Digest

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