金属 - 绝缘体 - 半导体结构

Vision of the Future For nearly all of his 86 years, architect Jacque Fresco has been designing cities of the future. Fresco’s structures all derived from a simple form that 1) fascinated him as a b

发表于:2018-11-28 / 阅读(263) / 评论(0) 分类 疯狂英语2004年

[00:03.38]1998 [00:06.71]They were, by far, [00:07.93]the largest and most distant objects [00:10.14]that scientists had ever detected: [00:12.36]a strip of enormous cosmic clouds [00:14.67]some 15 billion light-years from earth. [00:17.40](1)But ev

发表于:2018-11-30 / 阅读(246) / 评论(0) 分类 历年考研英语翻译

By Mario Ritter Broadcast: July 29, 2003 (THEME) VOICE ONE: I'm Bob Doughty with Phoebe Zimmermann, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: This week -- a special

发表于:2018-12-01 / 阅读(304) / 评论(0) 分类 VOA2003(下)-发展与科学

[00:02.95]Unit 10 Money Culcure Corner [00:07.32]The Euro-the Second Biggest [00:09.44]Currency in the World [00:11.62]On 1st January 2002, [00:13.94]twelve European countries started [00:15.74]using the new Euro as their official currency. [00:19.44

发表于:2018-12-04 / 阅读(246) / 评论(0) 分类 北师大版高中英语模块4

Science and technology 科技 Molecular Biology: Folding Stuff 分子生物学:折叠 Shape determines a protein's function. Determining that shape, though, is tricky. 蛋白质的结构决定功能,而结构的形成却很难。 ABOUT 120,000 ty

发表于:2018-12-05 / 阅读(132) / 评论(0) 分类 经济学人科技系列

Best of Megastructures 伟大工程巡礼之最 by Kevin Lustig In the last 100 years, 11 different skyscrapers have held the title of world's tallest building. With improvements in technology and materials, humans are pushing the limits of what buil

发表于:2018-12-08 / 阅读(292) / 评论(0) 分类 常春藤解析英语

[ti:UNIT 2 Biggest, Longest, Widest Lesson 10 Where's the Highest Hotel?] [0:00.571]UNIT 2 第二单元 [0:01.606]Biggest, Longest, Widest 最大,最长,最宽 [0:04.254]Lesson 10: 第十课: [0:05.797]Where's the Highest Hotel? 最高的酒店在

发表于:2018-12-10 / 阅读(339) / 评论(0) 分类 河北教育初中英语(初中起点)九年级上

[00:04.81]Many Americans desire to live in homes near coastal areas. [00:10.95]More than 3,000 people move to coastal areas every day. [00:16.74]But experts say one-fourth of the buildings along America's coastal areas may be damaged or destroyed by

发表于:2018-12-26 / 阅读(173) / 评论(0) 分类 美国英语听力80篇

New Wildfire Starts Near Los Angeles A dangerous wildfire has started in the Bel Air area of Los Angeles, California, as firefighters battle three other fires across Southern California. The latest wildfire reached the side of the busy Interstate 405

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 2017年VOA慢速英语(十二)月

The American rock group Journey released the song Don't Stop Believin' in 1981. This song, still popular in karaoke music bars, can help you learn about English grammar. Let's listen to some words from the song: Don't stop believing Hold on to that f

发表于:2019-01-03 / 阅读(191) / 评论(0) 分类 2017年VOA慢速英语(十一)月

This is Scientific American's 60-Second Science, I am Cynthia Graber. This will just take a minute. Counterfeiters and money minters constantly try to outsmart each other. But money could become much harder to forgethanks to butterfly wings. Butterfl

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(六)月

ENVIRONMENT REPORT -June 28, 2002: Rooftop Gardens By Cynthia Kirk Chicago City Hall This is the VOA Special English ENVIRONMENT REPORT. Officials in Chicago, Illinois, are hoping to help the environm

发表于:2019-01-09 / 阅读(130) / 评论(0) 分类 健康与环境

AS IT IS 2015-06-16 After Quake, Nepal Reopens Centuries-Old Structures 尼泊尔震后重新开放古建筑 Nepal has reopened its major World Heritage Sites in an effort to get tourists to return. Nepal depends heavily on money spent by overseas vi

发表于:2019-01-12 / 阅读(159) / 评论(0) 分类 2015年VOA慢速英语(六)月

The Relaxing Waters of Hot Springs National Park 阿肯色州温泉国家公园:放松的水域 Sometimes a visit to a national park means hiking rugged trails and climbing high mountains. Other times it means crawling through caves or rafting down a

发表于:2019-01-12 / 阅读(194) / 评论(0) 分类 2016年VOA慢速英语(九)月

EXPLORATIONS - Nanotechnology: How the Science of the Very Small Is Getting Very BigBy Mario Ritter Broadcast: Wednesday, February 08, 2006 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith

发表于:2019-01-16 / 阅读(156) / 评论(0) 分类 2006年慢速英语(二)月

That's the end of that. The next story is called In Praise of the Taxpayer. 这个故事讲完了。下一个故事叫作《纳税人的荣耀》。 That so many of the city's most venerable taxpayers have survived yet another commercial building boo

发表于:2019-01-18 / 阅读(136) / 评论(0) 分类 TED演讲商业篇

Cars And Lightning You may have heard that your car is a safe place to be in a thunder storm, and this is true. You might not know the reason for this, however.Well learn exactly what would happen if lightning struck your car. At first you might thin

发表于:2019-01-22 / 阅读(131) / 评论(0) 分类 英语时差8,16

seal n. 封铅,封条;印,图章;海豹v. 封盖,密闭 seam n. 缝,接缝,骨缝 解析:burst at the seams 胀破裂缝,过满,过于拥挤 come/fall/break apart at the seams 破裂,失败,崩溃 s

发表于:2019-02-03 / 阅读(146) / 评论(0) 分类 英文语法词汇

architecture:n. 建筑 enclose:v. 围住,圈起,封入 practical:adj.实用的 symbolic:adj.象征的 directly:adv. 直接地 determine:v.决定 utilize: v. 利用 achieve: v. 完成 seek: v. 寻找 shelter:v. 保护 enhance:v. 提高

发表于:2019-02-12 / 阅读(144) / 评论(0) 分类 托福英语

unit 418 推荐书籍 dialogue 英语情景对话 To: Zhang Jian 收件人:张剑 From: Lily Wong 发件人:莉莉王 Date:April 26, 2002 日期:2002年4月26日 Subjed:Crafting Beautiful English Sentences 主题:构思精美的英语句子 Z

发表于:2019-02-15 / 阅读(290) / 评论(0) 分类 高频英语口语对话
学英语单词
abdominal operation
abounds
acid spinning bath
ADAC (automated direct analog computer)
ascogenous cell
attempt to go against the tide of history
attractive mineral
auxiliary relay driver
baclomethasone
baseball park
be stumped
blew my brains out
book-bags
bulky grain
Cdks
cecy
changed memory routine
chest protector
Chirita glabrescens
Cinc.
concomitant evidence
cymblin
Daspalla
degree of contribution
derivative controller action
dermacorts
direct heated tube
direct-arc melting furnace
drive stage
easterlings
electronic streak camera
Ettenbeuren
free-floating discussion
fruit machines
get someone's ear
habets
half boiled soap
Harold Byrd Mountains
heatsunk
heavy stockpile
helium gas blanket
hga
high-low-range switch
hoist a signal
homobatrachotoxin
hot air blast
hydraulic motor drive
illegitmacy
imbitterment
Keszthely
Killian incision
laricina
lc,lc.
lithium diisopropylamide
locally catenative sequence
Logan Mountains
logic microoperation
Lundeborg
make ... market
massage sb's ego
meibomian
memmi
Merecure
multiobject function
nagoya
Narkotal
nkx
nonpituitary
Noramidazophenum
Norcycline
oxidation-reduction catalyst
Padalere
pars cupularis (recessus epitympanici)
passive-sentence
pavement-width transition marking
pension management
Petasites saxatilis
phytophagous mites
platydesmine
point vault
Presidente Hayes, Dep.de
Primorsky Krai
psophometer
put to the proof
resistance capacitance coupled
Riefensbeek-Kamschlacken
Riegel's test meal
scooterless
sex deviation
Shchel'yayur
shekel
speechwriting
street smarts
stuprated
technical workers with specific grades
thumper source
towsy
transaction cost
unicent
venae digitales communes pedis
white food
Yenantha