射线金相学

By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o

发表于:2018-12-01 / 阅读(324) / 评论(0) 分类 VOA2003(下)-发展与科学

[00:00.00]Unit 8 My Toys [00:05.58]1.Listen.Point.Say. [00:19.62]What do you want? [00:23.18]I want the orange ball. [00:27.11]2.Listen.Say.Do the actions. [00:43.45]My toys are in my toy box.I take them out to play. [00:48.89]And when I've finished

发表于:2018-12-13 / 阅读(224) / 评论(0) 分类 新派英语第一册

[00:00.00]Car Accidents Declining in Walton Ci [00:04.39]From the graph,we can see that the number of car accidents in Walton City fluctuated during the year of 199 [00:13.45]It increased in the first three months and decreased in the following three

发表于:2018-12-30 / 阅读(136) / 评论(0) 分类 英语六级听力练习集锦

EXPLORATIONS - October 16, 2002: Information Age, Part 1 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today

发表于:2019-01-02 / 阅读(148) / 评论(0) 分类 Explorations

Graph Search的理念在于,以谷歌搜索引擎发掘互联网信息的方式,发掘Facebook网站社交图谱的含义。Graph Search扩展了Facebook的核心使命:不仅帮助用户与已知的他人建立联系,还能成为一款发现工

发表于:2019-01-05 / 阅读(160) / 评论(0) 分类 英语新闻视频

By Roger Hsu Mephis, Tennessee 17 August 2006 watch Museum report The National Ornamental Metal Museum in Memphis is devoted to the conservation and advancement of metalwork. It is a place where metal smiths become synonymous with artists and where

发表于:2019-01-06 / 阅读(247) / 评论(0) 分类 2006年VOA标准英语(八月)

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(十)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up

发表于:2019-01-08 / 阅读(236) / 评论(0) 分类 Daily Free Games

Staying with the precious metal, and Chinas largest gold company says the country will surpass India to become the top consumer of gold in the world. In the first three quarters of this year, China produced 284 tons of the yellow metal, a nine percen

发表于:2019-01-11 / 阅读(172) / 评论(0) 分类 英语演讲

Graphene: The Material of the 21st Century 21世纪的新材料石墨烯 Graphene is a type of graphite mineral. Experts often call it 'The Material of the 21st Century' because of its special properties. Some U.S. companies are already using graphen

发表于:2019-01-12 / 阅读(124) / 评论(0) 分类 2015年VOA慢速英语(三)月

By Amanda Cassandra New York 29 November 2006 Gold prices have reached record highs this year, fueling new interest in gold as an investment. But the allure extends far beyond its monetary value. Its importance as a natural resource, as a commodity

发表于:2019-01-12 / 阅读(272) / 评论(0) 分类 2006年VOA标准英语(十一月)

It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co

发表于:2019-01-14 / 阅读(191) / 评论(0) 分类 VOA标准英语2010年(十)月

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(168) / 评论(0) 分类 VOA标准英语2014年(二月)

英语写作中的常用句型

发表于:2019-01-17 / 阅读(177) / 评论(0) 分类 英语学习方法

第一部分 常用于引言段的句型的2类表达方式 一、议论文常用句型 1. It is a fact that. 2. It is well-known that. 3. There is no doubt that. 4. I think that. 5. Contrary to the popular thought, I prefer. 6. Some people say/belie

发表于:2019-01-17 / 阅读(188) / 评论(0) 分类 实用英语

By Craig McCulloch Las Vegas 18 April 2007 Leaders in the U.S. broadcast industry are discussing new technologies and trends at the annual meeting of the National Association of Broadcasters in Las Vegas,Nevada. As Craig McCulloch reports, HD Radio,

发表于:2019-02-05 / 阅读(175) / 评论(0) 分类 2007年VOA标准英语(四月)

(一)段首句1. 关于人们有不同的观点。一些人认为There are different opinions among people as to ____ .Some people suggest that ____. 2. 俗话说(常言道),它是我们前辈的经历,但是,即使在今天,它在许多

发表于:2019-02-17 / 阅读(179) / 评论(0) 分类 四六级写作指导

(一)段首句1. 关于人们有不同的观点。一些人认为There are different opinions among people as to ____ .Some people suggest that ____. 2. 俗话说(常言道),它是我们前辈的经历,但是,即使在今天,它在许多场合仍

发表于:2019-02-17 / 阅读(126) / 评论(0) 分类 四六级写作指导

Jobs and Catmull decided that, in order to show off their hardware and software, 乔布斯和卡特穆尔决定,为了展示皮克斯的硬件和软件, Lasseter should produce another short animated film in 1986 for SIGGRAPH, the annual computer

发表于:2019-02-22 / 阅读(151) / 评论(0) 分类 乔布斯传

1. in + 月/ 年 2. between and 3. from to 4. over the period from to 5. in the year between and 6. in the 3 years spanning from 2001 through 2004 7. for the first 3 months 8. for/ during/ over the next / following 6 months 9. for/ during/ over / in

发表于:2019-02-26 / 阅读(185) / 评论(0) 分类 雅思英语
学英语单词
accented contour
air group
Aleksandrovskaya
Algeti
angulyagra polyzonata
apljina
Badinko
ball-and-socket head
Blueberry R.
btic
Calvi dell' Umbria
cannot open
chapbooks
check of tappet clearance
chest-height diameterincrement
cold tandem mill
column constraint
condenser drip-(spray)-type
control program privilege class
curriculum project
cyano groups
damars
developed market economics countries
dissociableness
Dochart, Glen
dun&bradstreet inc
early in
education of computer
elastic-plastic flow
endo('s) medium
endotoxic
explosion chart
failure to pay the price
fiber dimensional stability
filiberto
flare surge
fulfs
full chintz
genera(pl)
geneticisms
Gordon, Cape
Gregorian reflector antenna
gyrostabilized compass
hard copy numeric input
hot-water line
hyp(o)-
hyperapophysis
iinstitutions
immediate-early
impatiens uniflora hay.
intrasystem
Irresponsivity
machine abstract
macuahuitl
Marcq-St.-Hilaire method
marked out
martian year
material
metric approximation property
monotelotrisomic
multiple stage rectification
networks of queues
Nicotinyltartrate
noise nuisance
nonuniform probability distribution
phyllidia elegans
polishing drum
porphyronotum
precipitation-evaporation index
procerebral segment
Provisions Concerning the Work of Pilotage in Sea Port
quotables
relative cohomology group
Riemannian geometries
rip(ping) cord
rolled sheet lead
romancists
Ruby on Rails
rusty rig
sancta simplicitas
scalenus syndromes
Seewiesen
ship's clerk
slip trailer
sloppings
soyoung
sports events
sprue plug valve
stellulae verheyenii
STN-LCD
subangular blocky structure
tank skirt
Tardoki-Yani, Gora
tipula (sivatipula) lackschewitziana
trans-container
tranzschelia pruni-spinosae(persoon)dietel
trim by stern
trimmer valve
viewport configuration
village-like
wired network
world protein supply