[化] 内轨配位化合物; 内轨络合物

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(229) / 评论(0) 分类 英语语法 Grammar Girl

Questions for NASA after Rocket Explosion 火箭爆炸后美国国家航空航天局面临的问题 Unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from NASA video at Wallops Island, V

发表于:2018-12-08 / 阅读(167) / 评论(0) 分类 2014年VOA慢速英语(十)月

Virgin Spaceship Crash Raises Questions 维珍宇宙飞船失事引发诸多问题 WASHINGTON Plans to fly tourists to the edge of space could be delayed after Friday's crash of Virgin Galactic's SpaceShipTwo during a manned test flight. It is the se

发表于:2018-12-16 / 阅读(140) / 评论(0) 分类 VOA标准英语2014年(十一月)

addition [ə'diʃən] n.加,增加(量) boss [bɔs] n.老板,工头 compound ['kəmpaund] n.复合物,化合物 difficult ['difikəlt] a.困难的 expert ['ekspə:t] n.专家,能手 headquarters ['hed'kwə:təz] n.司令部,指挥部,总部

发表于:2018-12-19 / 阅读(295) / 评论(0) 分类 TED演讲教育篇

美国火箭爆炸,私营航天产业的挫折 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosion of a private U.S. cargo space craft shortly after it's

发表于:2018-12-19 / 阅读(167) / 评论(0) 分类 VOA双语新闻 2014年10月

Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic

发表于:2018-12-27 / 阅读(165) / 评论(0) 分类 美式英语正音训练

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(317) / 评论(0) 分类 (科普英语)Earth and Sky

1. Authorities in Utah say they found no signs of six trapped miners when they lowered a camera down to where they think the men are located. This is their second effort to make contact with the men. Yesterday a microphone was lowered down to a separ

发表于:2019-01-08 / 阅读(242) / 评论(0) 分类 美联社新闻一分钟2007

美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup

发表于:2019-01-09 / 阅读(198) / 评论(0) 分类 英语新闻

AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di

发表于:2019-01-11 / 阅读(212) / 评论(0) 分类 农业与发展

SCIENCE IN THE NEWS - Space Junk Threatens Earths Orbital Environment JIM TEDDER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Jim Tedder. KATHERINE COLE: And Im Katherine Cole. Today, we tell about an ever increasing number of objects in

发表于:2019-01-12 / 阅读(217) / 评论(0) 分类 2011年VOA慢速英语(九)月

Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according

发表于:2019-01-13 / 阅读(189) / 评论(0) 分类 VOA标准英语2012年(一月)

The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter

发表于:2019-01-14 / 阅读(243) / 评论(0) 分类 VOA标准英语2009年(八月)

With Failed Launch, US Private Space Industry Suffers Setback 火箭发射失败 美国私人航天受挫 Wednesday's successful launch of a Russian space vehicle taking supplies to the International Space Station was in sharp contrast to the explosi

发表于:2019-01-14 / 阅读(173) / 评论(0) 分类 VOA标准英语2014年(十月)

What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

发表于:2019-01-21 / 阅读(262) / 评论(0) 分类 2018年VOA慢速英语(十二)月

文本: Maiev:Elune be praised! I knew you would come, Shando Stormrage! Malfurion:Im glad we reached you in time, Maiev. Maiev:Priestess Tyrande, Im surprised you came in person. Are you here to _(1)_ your guilty conscience? Tyrande:I did

发表于:2019-01-23 / 阅读(212) / 评论(0) 分类 小龟乐游记英语短文

The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p

发表于:2019-01-30 / 阅读(178) / 评论(0) 分类 实用英语

By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

发表于:2019-01-30 / 阅读(236) / 评论(0) 分类 货币英语

By David McAlary Washington 12 July 2006 Astronaut Mike Fossum (on arm)installs the International Space Station's railcar-like mobile transporter U.S. space shuttle astronauts are on their third spacewalk since Saturday, this time to practice method

发表于:2019-02-03 / 阅读(271) / 评论(0) 分类 2006年VOA标准英语(七月)

ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

发表于:2019-02-18 / 阅读(174) / 评论(0) 分类 英语新闻
学英语单词
abacarus inversus
address distance distribution
amazonensis
antidomains
aorta valve dilator
art history
Bad Gandersheim
Bad Schwalbach
biomedicalization
biorthogonal sets of functions
bird dung bate
bloure
blue sulphur springs
Bocoyna
bofors guns
bog pool
braided
Bromotrifluoroethane
button-downs
caligraphers
Ci.Spi.
class collective
co-ownership of land
coated catalyst
colusa
commonss
complement minor
concentric variable capacitor
crack deflection
cytoplasmic extrusion
discrete time
dissecting set
embezzlement of public funds
englacial streams
equipment status
evaporative factor (evaporation factor)
facility base carriers
family phasmatidaes
faunivores
feeding roll
female (water) buffalo
fibre collection hood
flazalone
framed wood pile dolphine
Fresnel lamp
Fuck it all!
fuscopunctatus
geometry of lattices
great-circle direction
ilio-hypogastric nerve
inserve
inversion vibration
iveagh
karataviensis
king arthurs
Landsthing
m.c.a
merge insertion
ministerially
motor-operated main gate valve
motor-operated multicontact switch
N-metbyltaurate
notion store
orificium fistulae
owtsept
p-benzoyl-L-phenylalanine
phylliform
piano score
pragmatic cooperation
primary fragments
protooncogenes
psychomotor learning
radian per second squared
radiocarbon age
Ravensthorpe
receiving paraboloid
reichmuth
return flash
Rivinus's gland
Sabbatians
Sch. schedule
Schatz's maneuver
scissors truss
scrimshank
short sharp shock
simple corals
stem scar
superglues
Tandarei
thimblerigging
thysanurons
trichaitophorus aceris
trogon
unsummery
ureameter
way-train
word redundancy
word-classes
wordofmouth
workabilities
zoom table