[化] 伊尔文制磷法

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.09]2001 [00:06.36]The government is to ban payments to witnesses [00:08.89]by newspapers seeking to buy up people involved in [00:12.62]prominent cases (1)such as the trial of Rosemary West

发表于:2018-11-30 / 阅读(132) / 评论(0) 分类 历年考研英语完型填空

This is the VOA Special English Development Report. Dave Irvine-Halliday in Mexico More than one and a half billion people around the world live without electricity. Finding better ways to bring light to the poor is the goal of researchers like David

发表于:2018-12-01 / 阅读(127) / 评论(0) 分类 VOA慢速英语2009年(十二)月

[00:52.51]Please say something about it? [02:14.48]In 1924,Mallory and team of British climbers [02:22.34]tried to get to the top of Mount Qomolangma, [02:29.00]the tallest mountain in the world. [03:05.26]No one had ever done it before. [03:25.61]Ma

发表于:2018-12-01 / 阅读(120) / 评论(0) 分类 初中英语人教版初三

FAITH LAPIDUS: I'm Faith Lapidus. STEVE EMBER: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today, we tell about efforts to climb Mount Everest. In May, a thirteen-year-old American boy became the youngest person to climb the tallest

发表于:2018-12-07 / 阅读(73) / 评论(0) 分类 2010年VOA慢速英语(六)月

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(77) / 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(70) / 评论(0) 分类 2018年NPR美国国家公共电台2月

DEVELOPMENT REPORT - Canadian Professor Aims to 'Light Up the World' By Gary Garriott Broadcast: Monday, November 01, 2004 This is Gwen Outen with the VOA Special English Development Report. A light e

发表于:2019-01-02 / 阅读(91) / 评论(0) 分类 农业与发展

By Jim Teeple Jerusalem 17 December 2007 After seven years, Israeli and Palestinian negotiators are talking once again. That development came at the end of 2007, a year of turmoil and transition which saw the Palestinian territories split, politicall

发表于:2019-01-07 / 阅读(187) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Naomi Schwarz Dakar 21 December 2007 Rebels and government troops in Ivory Coast are set to begin the long-awaited disarmament process on Saturday, a critical first step before forming a new national army is the divided country. Ivory Coast Presid

发表于:2019-01-07 / 阅读(135) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(99) / 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(119) / 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(106) / 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(95) / 评论(0) 分类 2018年NPR美国国家公共电台7月

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(87) / 评论(0) 分类 万物简史

40 第一位登上珠穆朗玛峰的盲人 DATE=6-27-01 TITLE=EXPLORATIONS #1958 - Climbing Mount Everest BYLINE=Linda Burchill and Jill Moss VOICE ONE: This is Shirley Griffith. VOICE TWO: And this i

发表于:2019-01-30 / 阅读(203) / 评论(0) 分类 自然探索

The dengue virus is spread through the bite of an infected female Aedes egypti mosquito. The disease causes flu-like symptoms, including high fever, muscle aches and sometimes death. Each year, the disease strikes between 50 and 100 million people li

发表于:2019-02-05 / 阅读(57) / 评论(0) 分类 VOA标准英语2010年(三月)

By Challiss McDonough Cairo 11 March 2008 Many Arabs say recent violence in Gaza and Israel is placing the Middle East peace process in jeopardy again. VOA Middle East Correspondent Challiss McDonough reports from Cairo the process is under review ah

发表于:2019-02-08 / 阅读(120) / 评论(0) 分类 VOA标准英语2008年(三月)

本文从平淡的笔调描写了两位老人的孤独生活以及他们的相互揶揄,却深刻的反映了当时青年人只顾自身发展、而把家中老人置诸脑后的冷酷现实。我们的孝行也许永不能及父母养育恩情之万

发表于:2019-02-18 / 阅读(131) / 评论(0) 分类 阅读空间

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(90) / 评论(0) 分类 英语听力文摘 English Digest

A big increase in the number of Chinese tourists driving on New Zealand roads has prompted authorities to launch a series of high-profile road safety campaigns to warn about the dangers of driving in foreign countries. As CCTV New Zealand corresponde

发表于:2019-03-04 / 阅读(128) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
a pigeon pair
access tandem
acetaldehyde reductase
acoustical units
Actinidia glaucophylla
allopyranose
amyl cyanide
angioendothelioma of liver
antioxidising
Apoda
bedeian
block sum check
blocklist
Boguchar
book cases
broad ligaments of uterus
Bureau of the Administration of Royal Medicinal Affairs
cable box splice
causality of automaton
chain pulley seat
chamber humidity
chromastereopsis
cidr (construction inspection data report)
claughtons
clearsighted
clipping of feeding artery
contract stevedore
cyclaine
Czeched
dardanelles campaigns
devocalise
diaphragm temperature control valve
diffused meltback
dry bond strength
duck plague
ebonising
Esperanto
eulogious
everie
fixation disk
fleshing beam
Florentine mosaic
gessates
gradations of colour
Hydrobryum
hypopinealism
Indian purple
integrities
interlaced display
intershocking
isopropyltin tribromide
Jikkoku-toge
jumble-sales
karree
Kings Beach
La Rouquette
Lagginhorn
le cophanite
low-light level night vision device
lower hot water tank
lubricating oil specification
materials and output economics
maysilles
mechanical variables transducers
miccroprocessor system definition
MKDIR
Musculus obliquus capitis superior
nanosomia chondrodystrophica
nonoccluded
phthienoate
phyllocarid
prases
propulsor
quench pulse
raman nath diffraction
relatively definitive norm
ring-type transformer
riverstones
Scabiosa atropurpurea
sitemaps
sleeping data
sobfests
social worker
sociorobotics
sodic plagioclase
sour berry
spicularite
square dance
stake down
statistic detector
steerable wheel
stroke side
stupid is as stupid does
succinate
Sunni
thrili
TRFC
two person flat
two-sided wedge-shaped brick
updraft carburetter
warn't
Wilson loop