音标:[,paiәrәu'kætikɔ:l] ;
n. [化]焦儿茶酚,邻苯二酚

pyrocatechol的用法和样例:

例句

用作名词(n.)
  1. The inhibition of pyrocatechol on sulfite oxidation was investigated by oxygen removal and air oxidation tests.通过除氧试验和空气氧化试验,研究了焦儿茶酚对亚硫酸盐自动氧化的阻滞作用。

Song:It's My Life Artist:Vocaloca This ain't a song for the broken-hearted No silent prayer for the faith-departed I ain't gonna be just a face in the crowd You're gonna hear my voice When I shout it out loud It's my life It's now or never I ain'

发表于:2018-11-29 / 阅读(258) / 评论(0) 分类 英语热力歌曲

K: hi, Isaiah. How are you? I: Im well. And you? K: fine. Hows your job going? I: I dont know if I told you or not, but I decided to start my own business. K: really? Thats fantastic. What kind of business is it? I: Ive started an investment banking

发表于:2018-11-30 / 阅读(236) / 评论(0) 分类 生活英语情景口语

Technology Report - Paying Tech Talents to Drop Out of College 科技报道 - 泰尔资助科技奇才辍学创业 This is the VOA Special English Technology Report. 这是美国之音慢速英语科技报道。 What do Bill Gates, Steve Jobs and Lar

发表于:2018-12-07 / 阅读(125) / 评论(0) 分类 2011年VOA慢速英语(五)月

1. Where are the magazines? They're in the living room, on the coffee table. 2. Where is the remote control? It's probably on the sofa, between the pillows. 3. Where did you put the keys? I think they're in the bedroom, in the top drawer. 4. Where's

发表于:2018-12-17 / 阅读(205) / 评论(0) 分类 英语词组对话

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(191) / 评论(0) 分类 国家地理2008年

The Coca-Cola Company is a soft drinks giant that was established in 1886. Its mission is to strive to refresh the world, inspire moments of optimism and happiness, create value and make a difference. It often tops the list of being the worlds most r

发表于:2019-01-01 / 阅读(177) / 评论(0) 分类 各大品牌英文介绍

PEOPLE IN AMERICA - October 13, 2002: Pocahontas By Shelley Gollust VOICE 1: People in America, a program in Special English on the Voice of America. (Theme) She lived almost four hundred years ago in

发表于:2019-01-02 / 阅读(214) / 评论(0) 分类 People in America

Technology Report - Students Compete to Find Tech Solutions for World Problems 科技报道 - 微软创新杯带领学生们以科技解决世界棘手问题 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道

发表于:2019-01-12 / 阅读(231) / 评论(0) 分类 2011年VOA慢速英语(七)月

This is the VOA Special English Education Report. 这里是美国之音慢速英语教育报道。 The Southeast Asian English Olympics begin Monday in Jakarta. High school and university students will compete to demonstrate their English skills at t

发表于:2019-01-12 / 阅读(178) / 评论(0) 分类 2011年VOA慢速英语(二)月

TechnologyReport-StudentsCompetetoFindTechSolutionsforWorldProblems 科技报道 - 微软创新杯带领学生们以科技解决世界棘手问题 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Hun

发表于:2019-01-12 / 阅读(131) / 评论(0) 分类 2011年VOA慢速英语(九)月

By William Ide Washington 10 April 2007 The U.S. Holocaust Museum has launched a joint project with Google's satellite imagery Web site Google Earth to promote awareness of the crisis in Darfur and give the public a new perspective on the death, disp

发表于:2019-01-12 / 阅读(208) / 评论(0) 分类 2007年VOA标准英语(四月)

By Poupeh Missaghi and Jim Bertel Washington, DC 20 September 2006 watch Holocaust Museum report One of the most visited museums in Washington, D.C. is dedicated to the Holocaust, the state-led systematic persecution and murder of approximately six

发表于:2019-01-12 / 阅读(221) / 评论(0) 分类 2006年VOA标准英语(九月)

By Peter Heinlein United Nations 29 January 2007 The United Nations has held observances to mark the International Day of Commemoration of Victims of the Holocaust. VOA's correspondent at the U.N. Peter Heinlein reports. The U.N. General Assembly Ha

发表于:2019-01-13 / 阅读(208) / 评论(0) 分类 2007年VOA标准英语(一月)

By Brian Padden Washington 16 June 2008 In August, national teams from more than 200 nations from Afghanistan to Zimbabwe will gather in Beijing for the summer Olympics. The games promotes themselves as more than just a sporting event. The Olympic c

发表于:2019-01-13 / 阅读(149) / 评论(0) 分类 VOA标准英语2008年(六月)

More than 100 former U.S. soldiers who liberated Nazi death camps during World War II were honored this week in Washington, D.C. The veterans recalled the horrors they witnessed 65 years ago when they encountered the victims of the Holocaust. The fla

发表于:2019-01-13 / 阅读(172) / 评论(0) 分类 VOA标准英语2010年(四)月

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(206) / 评论(0) 分类 自然百科2008年

I was raised in Pocahontas Illinois Everybody thought of me as one of the boys Cause I'd run with a croud that was tough At fifteen i was tending Big O's Bar I'd sing till two AM for a half full tip jar Spent my youth singing truth, paying dues [Cho

发表于:2019-02-01 / 阅读(238) / 评论(0) 分类 美国乡村音乐

Mari: Hey, Mike, so we live in the countryside, and we go to school up on a mountain. Could you see yourself living here? Mike: Well, I do really like living in the country, but I don't think I could stay here for a long period of time, even though I

发表于:2019-02-02 / 阅读(175) / 评论(0) 分类 原版英语对话1000个

By Cathy Majtenyi Nairobi 01 March 2007 Africa is increasingly being used as a conduit to traffic cocaine, with increasing numbers of couriers apprehended and more bulk cocaine seized, according to the International Narcotics Control Board. The Vien

发表于:2019-02-06 / 阅读(216) / 评论(0) 分类 2007年VOA标准英语(三月)

Shooting at US Holocaust museum 美国浩劫纪念品博物馆枪击事件 US Park Police Sergeant David Schlosser describes the shootingA gunman armed with a rifle has shot and killed a guard inside Washington DC's Holocaust museum before being wounded in turn,

发表于:2019-02-07 / 阅读(178) / 评论(0) 分类 英语新闻
学英语单词
acquired universal hypertrichosis
amoralisms
Amplexicarinia
anna moses
arnica unalashensis less.
asymptotic representation of Debye
baston
beaverings
bleet
bloodhearts
bottom-blown oxygen converter
boyhoods
brake hose
bushmanship
cementation effect
Chakhansur
chord form
chromans
chronic tonsillar hernia
circumferential crack
city taxi
cladding temperature variation
classification of reserves
Coeffient
conversion of null field
create a more highly skilled workforce
cubic(al)
Daffo
Diderot, Denis
direct and inverse position computation
dirigible
distribution agreement
down-gyved
dust-coated
dutchiest
electronic speech recognition
ferromagnesium sulfate
fertilizer brand
flabergastation
flake salt
flicker frequency modulation
folding machine
forward delta
Gomi
grinder
Grönsinka
Guillemin, Roger Charles Louis
hard-facing metal
hermilo
high pressure sodium (vapour) lamp
high-velocity anti-radiation missile
hinches
horse-drawn expanding harrow
improvement rate
inestimability
interest rate on borrowings
Iperu
kirchhoff/s voltage law
macroalga
matadors
merazin
mesh work
metarubricytes
mid-feather
mischel
mustad
Mφllebjerg
N'-dimethylguanylguanidine
Nervus buccalis
nontrivially
numerical control tape
option stowage clause
PBIP
perienteritis
peroxidising
peulustrin
phallocampsis
photoprinter
point measure
pomolo
practical therapeutics
preoperative
rope-skipping
rutenberg
sherfey
shutz
sigrim
static catalog
strychnine lactate
sunno
superposed bleeder turbine
tatee
tee-profile
tenured
the x - factor
theory of mind
torgoch
triangular-notch
ulyanovsks
Unlevered Cost Of Capital
vasana
Viola albida