[化] 六氯化钨

There are many arguments about the advantages and disadvantages of examinations. Some people think that examinations can help them review the lessons regularly, while others maintain that too many examinations have frustrated them. To me I think an e

发表于:2018-11-28 / 阅读(157) / 评论(0) 分类 疯狂英语易背作文

[00:00.00]Module 1 LEARNING METHODS [00:05.54]Unit 3 Some of the exams were very difficult. [00:11.24]4 Listen and complete. [00:15.06]Mum,I have my report here. [00:18.39]Great. Can you give it to me,please? [00:21.26]Sure. [00:22.78]Oh, this is for

发表于:2018-12-04 / 阅读(108) / 评论(0) 分类 外研社新标准初中英语九年级

New IMAX Space Documentary Brings Images to Life 新的3D IMXA给生活带来新的享受 What we watched then were blurry and grainy TV transmissions. Now, the 45-minute IMAX documentary puts the aud

发表于:2018-12-08 / 阅读(77) / 评论(0) 分类 VOA2005(下)--环境科学探索

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(106) / 评论(0) 分类 VOA标准英语2014年(六月)

By Nancy Steinbach EDUCATION REPORT -July 25, 2002: SAT Examination This is the VOA Special English Education Report. Each year, millions of people around the world apply to study at American colleges

发表于:2019-01-06 / 阅读(93) / 评论(0) 分类 教育与新闻

By Michael Bowman Washington 24 August 2006 A U.S. congressional committee has issued a report alleging major gaps in U.S. intelligence on Iran's nuclear program and calling for a concerted effort to improve America's information-gathering capabili

发表于:2019-01-11 / 阅读(184) / 评论(0) 分类 2006年VOA标准英语(八月)

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Faith Lapidus. This week, we will tell about newly-found organisms that are said to be among the oldest living organisms on Earth. And, we will tell a

发表于:2019-01-11 / 阅读(94) / 评论(0) 分类 VOA慢速英语2009年(五)月

Technology Report - Scientists Develop Smartphone App for Eye Exams This is the VOA Special English Technology Report. More than two hundred eighty million people around the world have vision problems or are blind. The World Health Organization says

发表于:2019-01-12 / 阅读(102) / 评论(0) 分类 2011年VOA慢速英语(五)月

By Andre de Nesnera Washington 20 April 2006 As Iran continues to defy the United Nations Security Council by enriching uranium -- a process that could lead to building nuclear weapons -- the internat

发表于:2019-01-13 / 阅读(132) / 评论(0) 分类 2006年VOA标准英语(四月)

'Terrorists in Love' Examines Islamic Radicals How does a young man transform from a law-abiding middle-class citizen into a terrorist? Ken Ballen, a former federal prosecutor, spent five years trying to find answers to that question. The result is a

发表于:2019-01-13 / 阅读(107) / 评论(0) 分类 VOA标准英语2011年(十一月)

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(97) / 评论(0) 分类 2018年NPR美国国家公共电台11月

紧凑型荧光灯 Compact Fluorescent Lamp 金卤灯 metal halide/halogen lamp 溴钨灯 Bromine tungsten lamp 汞灯 mercury lamp 钠灯 Sodium lamp 卤钨灯 Halogen tungsten lamp 碘钨灯 iodine tungsten lamp 氖灯/霓虹灯 neon lamp 石英灯

发表于:2019-01-17 / 阅读(104) / 评论(0) 分类 实用英语

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(145) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(105) / 评论(0) 分类 自然百科2009年

By Sean Maroney New York 20 June 2007 In 1967, Israel countered what it saw as a threat of annihilation by its neighbors and defeated three Arab armies in six days. As a result, Israel nearly tripled the terroritory under its control and began an occ

发表于:2019-01-31 / 阅读(122) / 评论(0) 分类 2007年VOA标准英语(六月)

By Scott Stearns Dakar 10 November 2009 Prosecutors at the U.N. Special Court for Sierra Leone have begun their cross-examination of former Liberian President Charles Taylor who is facing charges of war crimes and crimes against humanity. Former Lib

发表于:2019-02-02 / 阅读(73) / 评论(0) 分类 VOA标准英语2009年(十一月)

By Deborah Tate Washington 18 July 2006 The Bush administration's nuclear accord with the Indian government was the focus of a Senate committee hearing Tuesday, with witnesses underscoring the benefits to both the United States and India. ---------

发表于:2019-02-03 / 阅读(161) / 评论(0) 分类 2006年VOA标准英语(七月)

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(97) / 评论(0) 分类 地道美语播客

By Deborah Tate Washington 12 July 2006 The Bush administration - pressing Congress to complete immigration reform legislation, is highlighting the contributions immigrants make to the U.S. economy. Carlos Gutierrez testifies on Capitol Hill, Wednes

发表于:2019-02-04 / 阅读(115) / 评论(0) 分类 2006年VOA标准英语(七月)

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(171) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
acinotubular
Aeolistic
analog phone
antidisestablishmentarianism
appall
bacillus solaniperdus migula
bearalvahki (berlevaag)
bed wetter
benckiser
blind enema
bohdanowiczite
byerlyte
calibration bridge
capital of Liberia
certificate of land
chain jib
chutters
claim settlement
close pack
commercial LC agreement
computer networks regulation
Cottrell effect
decide by a majority vote
deflecting turbodrill
depth dose
Devgarh
diesel oil purifier
disseminated fungal infection
dorsal atlanto-axial ligament
Dutch barns
eager in
eight-pack
fasciculi (musculares) periostales mandibul?
fatigue parties
fire retardant polyester resin
first-magnitudes
flow turbulence
fluorescence titration
frequency-modulation and voice frequency
genus anacycluss
grayedest
hand-hold infrared alarm
hebrew granite
high arch
homburger
home-felt
hunting time
identity tensor
immediate precedence
immunoresponsiveness
in session
inconsecutive
inner vent
inverse implication
juror on trial
kamau
kracheh (kratie)
locked die
mavicular disease
Mim44p
missing value
monochamus fascioguttatus
multiplicities
non-conforming method
obliquus externus abdominis
one picture is worth ten thousand words
open-jet wind tunnel
optics of accommodation
orderly sergeant
ossa cuneiforme secundum
outbidded
outlasted
oxyhaematin
picture query language
pound for pound
pre arcing time
quar'le
recessive epistasis
routes of infection
secant coefficient
segmentation and reassemble
selected area electron amplification image
shrink to nothing
significance indicator
specific dispersion
sulcul
taslets
temporopolar
term assurance
the same old
Trombicula irritans
twenty-four-hour clause
useful life period
vatanka
vestibular bulb
voice of reason
waverlian age
Wigand's version
woolsted
x efficiency
zero indication