硫醇基,巯基,氢硫基, 硫醇基

Come on everybody. Get up and do something. December the 5th is International Volunteer Day. This highly important day was started by the United Nations in 1985. Its aim is twofold: first, to thank volunteers around the world for giving their time to

发表于:2018-12-04 / 阅读(160) / 评论(0) 分类 英语课程学习计划和讲义

Youth Group in Nairobi Illuminates Homes, Schools A youth group in one of Nairobi's many teeming slums has found a brilliant way to light up dark houses. Drawing upon an innovation from Brazil, the young people have installed so-called water bulbs in

发表于:2018-12-08 / 阅读(133) / 评论(0) 分类 VOA标准英语2011年(十二月)

Grammar Girl here. Todays topic is collective nouns, nouns that describe a group, such as family, orchestra, and board. Guest-writer Bonnie Trenga writes, There are around 200 collective nouns in the English language (1). Sometimes they take a singul

发表于:2019-01-02 / 阅读(207) / 评论(0) 分类 英语语法 Grammar Girl

By Kurt Achin Seoul 04 May 2006 South Korean riot police carry away an arrested protester in Pyeongtaek, May 4, 2006 South Korean authorities launched a massive police operation to clear protesters fr

发表于:2019-01-04 / 阅读(184) / 评论(0) 分类 2006年VOA标准英语(五月)

By Nancy-Amelia Collins Manila 27 February 2006 Philippine President Gloria Macapagal Arroyo smiles during the round table discussion with her economic team at Malacanang Palace in Manila Philippine p

发表于:2019-01-07 / 阅读(189) / 评论(0) 分类 2006年VOA标准英语(二月)

American Steve Marino has a one-stroke lead over four other players after the first round of the ATT National golf tournament. As VOA's David Byrd reports from Bethesda, Maryland, Marino shot a five-under-par 65 on the Congressional Country Club Cou

发表于:2019-01-07 / 阅读(125) / 评论(0) 分类 VOA标准英语2008年(七月)

By Paul Thompson Studying a fiber left on the end of a plant: Did it come from clothes? Or from burlap used for transporting marijuana? VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley G

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 Explorations

By Challiss McDonough Cairo 18 May 2006 A disciplinary panel in Egypt has cleared one judge of misconduct charges, but reprimanded another in a case that has become a symbol for judicial independence

发表于:2019-01-09 / 阅读(192) / 评论(0) 分类 2006年VOA标准英语(五月)

By Alisha Ryu Nairobi 26 June 2007 Police in Kenya are reportedly investigating possible links between politicians and an armed youth group discovered last week undergoing military training in a forest near the coastal city of Mombasa. The police bel

发表于:2019-01-13 / 阅读(192) / 评论(0) 分类 2007年VOA标准英语(六月)

By Jim Malone Washington 22 March 2006 The United States is charging 50 members of Colombia's largest rebel group with using the proceeds from the sale of $25 billion worth of cocaine to finance their

发表于:2019-01-13 / 阅读(210) / 评论(0) 分类 2006年VOA标准英语(三月)

N. Nigeria City Fears Both Police Brutality and Boko Haram Scenes of chaos have become the norm in Kano. Attacks and security raids are daily occurrences in recent months, and Kanos residents say they are trapped by threats and fear. During the night

发表于:2019-01-13 / 阅读(154) / 评论(0) 分类 VOA标准英语2012年(七月)

Troops from the Islamic Courts Union, a former insurgent group that now backs Somalia's new president, have taken over control of checkpoints in the capital Mogadishu from government soldiers. The development comes as Ethiopian troops, who patrolled

发表于:2019-01-13 / 阅读(165) / 评论(0) 分类 VOA标准英语2009年(二月)

Negotiators for the major political groups in Iraq say they plan to reopen the Iraqi parliament by Tuesday and announce the new government's top leaders. Negotiators are trying to include as many groups as possible in the new government, but they are

发表于:2019-01-19 / 阅读(126) / 评论(0) 分类 VOA双语新闻 Bilingual News

By Challiss McDonough Cairo 09 May 2006 Egyptian police on Tuesday said they killed the suspected leader of the militant group blamed for last month's deadly bombings in the Red Sea resort of Dahab. P

发表于:2019-01-31 / 阅读(240) / 评论(0) 分类 2006年VOA标准英语(五月)

今天我们要学的词是collective。 Collective, 集体的。 The NFL and its players are working on a new collective bargaining agreement, 美式足球联盟正在跟球员协商,设法达成新的劳资协定。 加拿大冰球队击败美国队

发表于:2019-02-04 / 阅读(141) / 评论(0) 分类 英语单词荟萃

SHANGHAI, Jan. 7 (Xinhua) -- Europe's largest carmaker, Volkswagen AG(大众汽车公司), said Friday that it had sold 37 percent more vehicles on the Chinese mainland and Hong Kong in 2010, compared to sales in 2009. With 1.92 million vehicles

发表于:2019-02-05 / 阅读(111) / 评论(0) 分类 英语新闻

By Nancy-Amelia Collins Hong Kong 15 June 2007 Indonesian police have arrested the head of the Southeast Asia terrorist network Jemaah Islamiyah (JI) along with its military leader in a major blow to an organization that has been blamed for a series

发表于:2019-02-05 / 阅读(161) / 评论(0) 分类 2007年VOA标准英语(六月)

By Michael Bowman Washington 09 May 2007 Colombian politicians and human rights activists visiting Washington this week say U.S. aid to their country focuses too much on military and anti-drug assistance and not enough on humanitarian needs. The dele

发表于:2019-02-06 / 阅读(212) / 评论(0) 分类 2007年VOA标准英语(五月)

How to Motivate a Group I like to focus on receptive and expressive intelligence, which I call CQ. A healthy dose of CQ is essential when being in charge of a group or team because the task of motivating them often falls to you. This may seem unfair.

发表于:2019-02-08 / 阅读(248) / 评论(0) 分类 阅读空间

BUENOS AIRES, Jan. 8 (Xinhua) -- Paraguay and Colombia will play the opening match on Wednesday of the 2013 South American Youth Championship, to be held until Feb. 3 in Argentina's Andean cities of Mendoza and San Juan. The 10 U-20 teams from the So

发表于:2019-02-13 / 阅读(180) / 评论(0) 分类 英语新闻
学英语单词
abbia
abort limit
accumbering
acetone purolysis
adorams
adroit
all holiday
angular dimensioning system
big skate
Bougainvillea spectabilis
brise-soleil
buraimi oasis
candle party
chromatogram
cochain complexes
cololysis
coolly
counterembowed
crept into
Crossford
day cabin
deflection of a plate
diplomatic privilege and immunity
double numeration
economic picture
electronic flutter simulator
fence mending
Ff .
flouncily
fraction time
free-time
Fretheim
FTU
Garrison, William Lloyd
general purpose compound
gubenkoes
half-years
high water level of spring tide
iatrogenic pituitary disorders
indirect humidifier
individual contributor
interspacing
junction type photodetector
Khmelnytskyi
land-holding company
lante
liquid-water
Local Group of galaxies
local region
marinade
marrinate
natural medium
negative variation of signed measure
NIPO (negative input,positive output)
offset variable
oracle toolkit
palletizes
pen ruling machine
photini
plumbous
pocket floor
pure line method
radices
re-offer
recall right by subrogation
reference
resin cement
retenant
san diegoes
schako
scintillator tank
scream with laughter
secondharmonic
sectional ploughing method
servant-leader
sheet asbeston
shita machi sodachi (japan)
Sir Henry Rider Haggard
south-easter
standard provisions
stannic chloride
startuper
storiette
subnodus
Sverdrup wave
talawdi (talodi)
telecommunication working group
to-same
transfusion cell
transrated
tropic high-water inequality
turbo-props
two-way feeding chute
un-European
uncensorable
underivativity
Unoke
Uppong-dong
villainise
vocal lip
Yerkes refractor
yoro