一氯二氟化磷

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-04 / 阅读(123) / 评论(0) 分类 英文魔法师字源大挪移

The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松(松树)制成, 在液体的石蜡

发表于:2018-12-18 / 阅读(62) / 评论(0) 分类 英国学生科学读本

Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢

发表于:2018-12-18 / 阅读(59) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Marlboro is the worlds largest selling brand of cigarettes. It is made by the Philip Morris Company, originally a London-based cigarette maker. Philip Morris named the cigarette after the location of the companys first factory in Londons Great Marlbo

发表于:2019-01-01 / 阅读(80) / 评论(0) 分类 各大品牌英文介绍

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-02 / 阅读(103) / 评论(0) 分类 午后咖啡

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(404) / 评论(0) 分类 2017年VOA慢速英语(六)月

PEOPLE IN AMERICA - May 12, 2002: Dorothy West By Doreen Baingana VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with the Special English Program, PEOPLE IN AMERICA. Every week, we te

发表于:2019-01-07 / 阅读(154) / 评论(0) 分类 People in America

This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(十二)月

This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that

发表于:2019-01-11 / 阅读(106) / 评论(0) 分类 VOA慢速英语2008年(八)月

By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce

发表于:2019-01-12 / 阅读(98) / 评论(0) 分类 2007年VOA标准英语(七月)

MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w

发表于:2019-01-17 / 阅读(84) / 评论(0) 分类 2018年NPR美国国家公共电台7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(84) / 评论(0) 分类 2018年NPR美国国家公共电台11月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(114) / 评论(0) 分类 英语单词大师-Word Master

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(134) / 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(94) / 评论(0) 分类 自然百科2009年

The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor

发表于:2019-01-29 / 阅读(79) / 评论(0) 分类 万物简史

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(85) / 评论(0) 分类 地道美语播客

RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw

发表于:2019-02-08 / 阅读(122) / 评论(0) 分类 英语新闻

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(155) / 评论(0) 分类 《海底两万里》中英双语有声读物

Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche

发表于:2019-02-26 / 阅读(82) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acoustic coupling element
acoustic signal processing
address of region definition block
ADO-MET
Aerrane
air swept type
algol 68 revised
automatic magazine camera
balsamum tolutanum
behavioral model of health services use
blind flight
broom-weed
cassegrain-schmidt system
cercopidaes
column stablized unit
concatemerisation
contingent cliam
dilution analysis
discretely timed signal
dispatch list of container
dournesses
drivel(l)ingly
DW method
E-Forth
ecologic economics
epiparietals
Eriocaulaceae
estradienone
evaristes
excitation field
famous tv anchor
far-field surface wave
farinhas
ferussaciid
Flowery speech
fuzzy differential equation
G-flat major
gas odorant
geniculoextrastriate
Good Supplying Practice
heavily framed bow
hexadecimal program
hydraulic booster
import export operation
in air
independent atom model
internal line-up clamp
intraperitonally
Japanese giant salamander
laser sintering
limits of permissible error
literalisation
lovemobile
Mackinaw coat
march on
methylene blueeosin staining method
mulagenize
multiple-purpose dredger
National forest park
naumburg
nickel iron storage battery
nizet
official routine
open foliation structure
overtone method
paid salaries
palomine
phosphor dot
polyhydroxylated polymer
postscapular
professional-grade
programmer panel
pyridopyrimidine
quantitative reaction
red cardinal flower
resistance attenuator
rmrf
roebel
scanning great circle
search rule
SEC secondary
simple idea
sloe-thorn
snoutless
started off
step aside
stevia rebaudiana
superstitie
Tennant
thermalization time constant
thermoinic discharge
thoughtcrime
Three Yang Channels of Foot
throw a cold blanket on
thyristor switch
triage coffee
unobstruct
unruinated
vitrectomizing
watershed management
write-in candidates
xylene resin