音标:[metə'lɒɡrəfɪst] ;
金相学家
n. One who writes on the subject of metals.

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(322) / 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(221) / 评论(0) 分类 新派英语第一册

Most works of art - paintings, sculptures, artistic jewelry - are created for a collector or patrons who visit a gallery. The artist makes something, and someone else buys it and takes it home. Others create large public art - sculptures and statues

发表于:2018-12-16 / 阅读(162) / 评论(0) 分类 VOA标准英语2010年(九)月

[00:04.88]Part 1 WARMING UP [00:22.44]Look at the graph and discuss the following questions. [00:46.29]1 How are people's eating habits changing over the years? [00:59.04]Why do you think this happens? [01:05.10]2 How has agricltural produce changed

发表于:2018-12-18 / 阅读(209) / 评论(0) 分类 高中英语人教版高一

[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

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(158) / 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(245) / 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(181) / 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(233) / 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(169) / 评论(0) 分类 英语演讲

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(270) / 评论(0) 分类 2006年VOA标准英语(十一月)

By Heda Bayron Hong Kong 19 November 2006 Finance ministers and central bankers from 20 powerful economies meeting in Australia have urged an early resumption of stalled global trade talks and greater cooperation against illegal financing. ---- The

发表于:2019-01-12 / 阅读(174) / 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(188) / 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(166) / 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(175) / 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(187) / 评论(0) 分类 实用英语

(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(178) / 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(125) / 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(148) / 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(183) / 评论(0) 分类 雅思英语
学英语单词
2-methyl-1-butene
adeline virginia stephen woolves
adviser
aminoethyl
analytic(al) predictor
anchor up and down
aridity coefficient
ayeni
baader-meinhof gangs
babelomurex tosanus
balbutiates
ball warp beaming machine
be strapped
camellia japonica l. var. rusticana (honda) tuyama
cartage book
chipped finish
cinnabon
closure of external auditory meatus
Cmielow
cystidiodontia laminifera
cytogenic zone
dbits
dead space switch
direct-beam infrared
edge of existence
Endo-beta-acetylglucosaminidase
ethicalisms
exocentrus rufithorax
fog lights
forest animals
gifford-mcmahon refrigerator
ginseng chicken soup
god games
green-crop catapult
greenlined
hemolyzation
Hexanchidae
high altitude radar presentation
holothin
inspection assorting process
let nature takes its course
limited current
lithiated
loop output signal
low level lamp
lower-triangular matrix
lugs
magnoliopsid families
maintance
marketing board
massanger
mean-level AGC
megohm sensitivity
microichthyurus satoi
mid-frequency noise
mismarries
nabobesses
nonentities
nonvisiting
nucleus of lateral geniculate body
ohms' per volt
panning room
parallel processor system software
physical sand
polyhedral cell
potential impulse
proloculum
protection mode
Quetzalcoatlus
repulsion and induction type single phase motor
row major form
schlichtmaier
schrad
sea-bottom survey
semi automatic work
semibrachiator
sententiousnesses
sickmund
solo practice
spider bite
sports consciousness
starch dusting
taper jack
telex channel interface
teredo
tetrahedral
tight bushing
tilt-block valley
time tolerance analysis
Tour de France
transcendental metaphysics
transmutatory
two layers flow
unequal oscillation frequency
unpermissivenesses
usual conditions
vectigalia
voorskot
walllike
water-smoking period
wave of earthquake
whmm