[有机化学] 有机过渡金属化学

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(241) / 评论(0) 分类 VOA2003(下)-发展与科学

[00:03.15]第五单元 复习 [00:06.30]Lesson 17 Read and act [00:09.87]第17课 阅读并表演 [00:13.45]During the break, [00:15.03]课间, [00:16.61]Li Lei happened to see Paul's mark on the report of a chemistry experiment. [00:19.94]李雷偶然

发表于:2018-12-01 / 阅读(125) / 评论(0) 分类 初中英语人教版初三

[00:21.89]lesson 1 [00:36.05]Have/has got =have/has [00:59.22]I have got a CD player, [01:03.97]but Jim hasn't got one. [01:10.92]Has Lucy got one? [01:22.99]I have a CD player, [01:31.66]but Jim hasn't/doesn't have one. [01:50.60]Does Lucy have a Cd

发表于:2018-12-10 / 阅读(139) / 评论(0) 分类 初中英语人教版初三

[00:03.89]Lesson 5 1 Dialogue [00:09.64]Mr Zhu is showing the students of Class 4 the chemistry lab. [00:16.30]Mr Zhu: Now,this is the chemistry lab. [00:20.45]Have you been in this lab before? All:No. [00:25.50]Mr Zhu: Ok,listen carefully,please. [0

发表于:2018-12-13 / 阅读(166) / 评论(0) 分类 高中英语人教版高一

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(118) / 评论(0) 分类 VOA标准英语2010年(九)月

发表于:2018-12-25 / 阅读(118) / 评论(0) 分类 洋话连篇

Building with Wood and Metal Hugo: Wow, when you said that you did some woodworking on the weekends, I thought you meant refinishing furniture. But this! This is a real workshop and youre actually building furniture. Shawna: Yeah, this is what Im wor

发表于:2018-12-27 / 阅读(133) / 评论(0) 分类 2014年ESL之餐饮娱乐

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(128) / 评论(0) 分类 2014年VOA慢速英语(八)月

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(205) / 评论(0) 分类 2006年VOA标准英语(八月)

[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(196) / 评论(0) 分类 Daily Free Games

美国新晋说唱女歌手 Azealia Banks 变身大漠妖姬,带来超动感单曲《Heavy Metal And Reflective》!感觉棒极啦,飚车一族势不可挡,期待 Azealia Banks 更多更好的作品。 歌词: Fridgy froze kept, it's that f

发表于:2019-01-10 / 阅读(103) / 评论(0) 分类 英文最新流行歌曲

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(130) / 评论(0) 分类 英语演讲

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(108) / 评论(0) 分类 VOA标准英语2010年(八)月

RACHEL MARTIN, HOST: And now some words you don't often hear together - all-girl, teenage, Indonesian metal band. NPR's Ashley Westerman has this profile. ASHLEY WESTERMAN, BYLINE: The band's called Voice of Baceprot. Baceprot means noisy in the girl

发表于:2019-01-16 / 阅读(117) / 评论(0) 分类 2017年NPR美国国家公共电台8月

DAVID GREENE, HOST: So every time you weigh something, whether it's coffee or bananas - I'm not sure what you're weighing - you might be doing it in pounds - well, whatever you're doing, you're unknowingly relying on a global system of measurement th

发表于:2019-01-17 / 阅读(161) / 评论(0) 分类 2018年NPR美国国家公共电台11月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(149) / 评论(0) 分类 2016年Scientific American(十)月

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(104) / 评论(0) 分类 VOA标准英语2009年(十月)

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(119) / 评论(0) 分类 2007年VOA常速英语(十月)

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(100) / 评论(0) 分类 VOA标准英语2008年(十月)

释义: There is ( are ) ... 有 虽然是最基本的表达方式,但在日常会话中占到的比例很大,可以分为多个类型进行表达。 There are ( is ) ... 表示单单的在,而 Here are ( is ) ... 表示递交物品或意见。

发表于:2019-02-26 / 阅读(150) / 评论(0) 分类 老外最常用的英文短语
学英语单词
action introducing legalproceedings
active matrix liquid crystal display
adderbolt
agmon
air quality and emission standard
alkali halide crystal
Almirantazgo, Seno del
alternatting current(ac) machine
altinbasak (harran)
analytic tree
arcaded sidewalk
ash bin (ash storage bin)
barophilic
bitter pill
bockeys
brain cicatrix
cahnman
capital-in-excess account
Caragana fruticosa
cardioid reception
cerebral diataxia
cherimoyers
chipao
client security
conical map
dalziells
desponsated
diffley
dodecarchies
domain fluxing
don't get me wrong
duckbilled platypuss
dysmicoccus boninsis
emergency outlet
eueimnoplankton
expert medical opinion
FAIDS
fair-lead sheave
flow annulus
frontier customs dues
fuel-efficiency
futenma
gastrolienal ligament
Gjendebu
glykemia
hydrophobization
hydrosome
idiopathic sideroblastic anemia
imag
image breaker
implicit operator
improving environmental sanitation
inclusion of wall rock
Lan, Ko
Malartic, L.
manila bays
megapore
motion time study
Negrophilist
neo-atlantic period
Nile red
no remote
Noah
old-guard
palidia
palladium(iv) sulfide
patch of grey
pentaungin
periodic income
plunge step
pogonatum spinulosum mitt.
polyvinyl choloride (pvc)
precast pattern block
Prunus japonica
psychopragmatic
Puig-reig
radio-frequency
regular report
reserve drive
resource selection criteria
retreatisms
sealing function
semispinalis cervicis
silicate fouling
silver halide emulsion
statelily
stays back
steel tooth bit
strike-stick
structural elucidation
system-modulation-transfer acutance
thetines
timber products
universal character
upright breakwater
Uripa
vacant number intercept
vagabondical
vectorcardigram
wage induced inflation
wavelength choice
z-buffer