【有机化学】四溴乙烷,乙炔化四溴 = acetylene tetrabromide

The children worked on the old desk all morning. After a lunch of grilled cheese sandwiches and coleslaw, they took a break to play Frisbee and cool off in the pond. It wasnt long, though, before they were hard at work once more. When Benny stopped t

发表于:2018-12-06 / 阅读(167) / 评论(0) 分类 105 The Mystery of the Orphan

What a beautiful garden, Jessie said. The other Aldens agreed as they helped Kate gather flowers the next morning. Kate looked pleased. Thank you, Jessie. My guests often help out with the weeding. They find it relaxing. She added some daisies to the

发表于:2018-12-06 / 阅读(147) / 评论(0) 分类 105 The Mystery of the Orphan

No sooner had the professor gone inside, than Lindsay stepped out the door. I thought Id find you here, she told the Aldens with a smile. I just wanted to let you know Ill be leaving in the morning. The children were surprised to hear this. You mean

发表于:2018-12-06 / 阅读(152) / 评论(0) 分类 105 The Mystery of the Orphan

AS IT IS 2016-10-17 Indian Police Make Arrests in Plot to Steal Money from Americans 印度警方破获美国公民诈骗骗局 Last week, Indian police arrested at least 70 people suspected of stealing money from people in the United States. 上周,

发表于:2018-12-08 / 阅读(194) / 评论(0) 分类 2016年VOA慢速英语(十)月

'The Legend of Sleepy Hollow,' by Washington Irving Today's story is called The Legend of Sleepy Hollow. It is about something strange that happened long ago in a valley called Sleepy Hollow. It was written by Washington Irving. The story is told by

发表于:2018-12-16 / 阅读(276) / 评论(0) 分类 2016年VOA慢速英语(十一)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(一)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到好的听力原文,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:2018-12-30 / 阅读(209) / 评论(0) 分类 有声畅销书-秘密

AMERICAN STORIES - The Legend of Sleepy HollowBy Washington Irving Broadcast: Saturday, April 22, 2006 Announcer: The Special English program, AMERICAN STORIES. (MUSIC) Today's story is called The Leg

发表于:2019-01-02 / 阅读(176) / 评论(0) 分类 2006年慢速英语(四)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 医务英语

Poetry has been produced by every civilization in history, and it shows no sign of losing its power in our time. Ours may be, as we are often told, a prosaic age or a scientific age, but it is also an age in which a great quantity of poetry is writte

发表于:2019-01-06 / 阅读(151) / 评论(0) 分类 实用英语

Dionne Bromfield,她的教母是大名鼎鼎的Amy Winehouse,这个小女孩今年15岁(1996年出生),又是一个令人惊艳的好声音~来欣赏下她今年的新单曲Yeah Right吧~ Yeah Right Dionne Bromfield ft.Diggy Simmons Yo what

发表于:2019-01-11 / 阅读(151) / 评论(0) 分类 天籁音乐

The Legend of Sleepy Hollow 无头骑士的传说 Today's story is called The Legend of Sleepy Hollow. It is about something strange that happened long ago in a valley called Sleepy Hollow. It was written by Washington Irving. The story is told by Do

发表于:2019-01-12 / 阅读(156) / 评论(0) 分类 2014年VOA慢速英语(九)月

The Legend of Sleepy Hollow by Washington Irving Today's story is called The Legend of Sleepy Hollow. It is about something strange that happened long ago in a valley called Sleepy Hollow. It was written by Washington Irving. The story is told by Dou

发表于:2019-01-12 / 阅读(243) / 评论(0) 分类 2015年VOA慢速英语(十)月

By Al Pessin Pentagon 24 March 2008 When a roadside bomb killed four American soldiers in Baghdad Sunday night it brought the U.S. military death toll in Iraq to 4,000. It was a symbolic moment, particularly coming during a period of reduced violence

发表于:2019-01-12 / 阅读(137) / 评论(0) 分类 VOA标准英语2008年(三月)

Some Zimbabwe government supporters say President Robert Mugabe should form a government without the opposition, following an opposition boycott of talks Monday in Swaziland. Tendai Maphosa asked ordinary Zimbabweans in Harare what they think about

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2008年(十月)

Todd: So Mark, when I was in London I saw so many people from New Zealand and actually everywhere in the world I meet so many people from New Zealand, but you have such a small population. Is anybody still in New Zealand? Mark: Yeah, I think the Kiwi

发表于:2019-01-30 / 阅读(170) / 评论(0) 分类 英语访谈对话

munch hors d'oeuvres 今天我们要讲的两个常用语大概会使你流口水的。首先,让我们来给大家介绍一个字

发表于:2019-02-02 / 阅读(193) / 评论(0) 分类 美国习惯用语

Todd: So Mark, when I was in London I saw so many people from New Zealand and actually everywhere in the world I meet so many people from New Zealand, but you have such a small population. Is anybody still in New Zealand? Mark: Yeah, I think the Kiwi

发表于:2019-02-05 / 阅读(119) / 评论(0) 分类 原版英语对话1000个

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(182) / 评论(0) 分类 万物简史

15岁英国醇香小女声:Dionne Bromfield - Yeah Right Dionne Bromfield,她的教母是大名鼎鼎的Amy Winehouse,这个小女孩今年15岁(1996年出生),又是一个令人惊艳的好声音~来欣赏下她今年的新单曲Yeah Rig

发表于:2019-03-02 / 阅读(231) / 评论(0) 分类 经典英文歌曲
学英语单词
a yellow dog
acdar
advanced patent course
air-gap leakage
Al Balqā'
automatic star tracking system
back speed
balance on current account
banse
Battle Born State
boiling beck
bucket excavator for downward scraping
Burung
bussback
butterfly common lisp
Captain William Bligh
centre hole of lathe
contrast telephotometer
court disaster
creagan
cyamium
dip coating
Diwo
edaphically
electrical span adjuster
elric
endophytes
epicycloidal wheel
epigenetic structure
escortless
Exarchos
farming areas
forons
genus Ursus
ginty
GM_ill-or-sick
Google fu
green rivers
group after group at different times
gynecophonus
heat exchange cycle
hip abductor lift
hoisting capacity and elevation of the overhead bridge crane
i-laced
improving furnace
in league (with)
incirclet
inconstructible
industry segment
interlacunar ridge
intermediatepreheater
intestinal tuberculosis
Kokshetau
linkage fault
Lochnerizing
magnetic holography
make themselves cheap
Malaya disease
membership operator
mnemism
Mu Sang
n-factorable graph
NADH2
nitrogen case-hardening
nominal specification
normally opened
nursery education
oblique strokes
off-gas vapour trap
optically oriented clay of diffuse form
output converter
oxydipropionitrile
Pan-Turkist
piekarski
piping flow sheet
pitch counts
precognize
preintroductory
pseudo panel
pylangia
Pyrafat
quartz crystal thin film monitor
radiation core
radio frequency control
reenforce
revolving drum washer
scarifie
second separation axiom
self-clearing member
series bisection
shaft-lathe
siderocardiosis
smoldered
steam generating system
stercoricolous
suberin(e)
thick context
three-dimensional radial plastic flow
tridiphane
turioniferous
unionizer
upcast (upthrown) fault