1-(2-氯乙基)-3-环己基-1-亚硝脲

发表于:2018-12-02 / 阅读(205) / 评论(0) 分类 英语口语1+1

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,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:2019-01-02 / 阅读(192) / 评论(0) 分类 午后咖啡

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(471) / 评论(0) 分类 2017年VOA慢速英语(六)月

分集介绍:导数,商数,正弦和余弦 Derivatives.of.products.quotients.sine.cosine

发表于:2019-01-05 / 阅读(396) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

分集介绍:导数,斜率,速度与变化率 Derivatives.slope.velocity.rate.of.change

发表于:2019-01-05 / 阅读(395) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Silly Sausage是Nitrome于2011年5月28日发行的一款益智类游戏,它是以香肠在尽量不碰到其它损失生命物体的情况下吃光所有的钻石再到达终点为标

发表于:2019-01-08 / 阅读(247) / 评论(0) 分类 英语对接游戏

Jonah Hex. Are these the boys you wanted? You surely have done us quite a favor. A transaction is all it was. I'll collect my hundred dollar bounty on them and be on my way. From Superman and Spider Man to Josie and the Pussycats, Hollywood has a lon

发表于:2019-01-13 / 阅读(160) / 评论(0) 分类 VOA标准英语2010年(六)月

Oum Sok began working as a cyclo driver when he was 18. He says the city has become very expensive over the years, making it much harder to earn a living. New York has its yellow cab. London has its red bus. But Phnom Penh has its cyclo - a three-whe

发表于:2019-01-13 / 阅读(196) / 评论(0) 分类 VOA标准英语2010年(六)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English

发表于:2019-01-18 / 阅读(184) / 评论(0) 分类 英语单词大师-Word Master

HEALTH REPORT - New Heart Drug Shows Promise in African Americans By Cynthia Kirk Broadcast: Wednesday, November 17, 2004 This is Bob Doughty with the VOA Special English Health Report. Heart failure

发表于:2019-01-30 / 阅读(180) / 评论(0) 分类 健康与经济

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(214) / 评论(0) 分类 经济学人科技系列

BEIJING, Aug. 8 (Xinhua) -- China on Wednesday started to review anti-dumping measures it imposed on chloroprene rubber imported from a Japanese company, the Ministry of Commerce said. The move came after the ministry received complaints that Japan E

发表于:2019-02-05 / 阅读(217) / 评论(0) 分类 英语新闻

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(166) / 评论(0) 分类 趣味英语

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(247) / 评论(0) 分类 VOA标准英语2010年(一月)

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(177) / 评论(0) 分类 英语新闻

RABAT, Dec. 26 (Xinhua) -- The Moroccan national team coach Rachid Taoussi announced Wednesday the squad for the finals of the African Cup of Nations (ACN-2013) in South Africa from January 19 to February 10. Taoussi left out Queens Park Rangers forw

发表于:2019-02-08 / 阅读(243) / 评论(0) 分类 英语新闻

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(163) / 评论(0) 分类 万物简史

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(165) / 评论(0) 分类 万物简史

Today we go on a journey. It starts in Sweden over 100 years ago; and then moves to London; and finally moves to future worlds and other planets. But we start in Sweden. Alfred Nobel spent his life finding ways to blow things up. He was born in 1833

发表于:2019-02-19 / 阅读(141) / 评论(0) 分类 听播客学英语

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(181) / 评论(0) 分类 TED演讲教育篇
学英语单词
acaroid resin
acute hematogenous osteomyelitis
Admer, Ergd'
Aethroma
answer for sth
anticommons
asynchronous interrupt request
bit into
bulb of hair
carmetizide
cartilagines tubae auditivae
centrifugal mechanism
chapeless
clear noil
colunmar
contact name
corrugated steel wire
coupling winding
crop inventory
crossed electric and magnetic field
cryospray
curtain kiln
debian gnu/hurd
derricking winch
diakoptic algorithm
diethylchloro-acetamide
dry risers
East Bernard
equal-height
filopodium (pl. -dia)
form critical
formonitrolic acid
further proof of
gaudily
glayvas
Great Harbour Cay
grounding cable bond
hairpin tube bundle
hand puppets
hanford test pile
high speed scintillation autoradiography
homogeneousnesses
hontz
Hulme
hydraulic barrier
hyperoctants
hypomag(e)nesemia
imaginary parts
isothiocyanic acid ethyl ester
Jonson
khansamahs
kuiper statistic
light-as-air
liquid to-liquid heat exchanger
lock resolution
Maintasone
mesoleptogaster gracilipes
methoxyindole
micro-crystaline structure
Mim44p
mist over
Muhulu
mujahadein
nickel N,N-dimethyldithio-carbamate
order Gymnophiona
out-townships
periodontal fibers
persistent wave
pharisaical
picturals
pomeri
pretty amazing new stuff
pretty cold
raw material inventory
real-time interactive reference retrieval system
residual liquid junction potential
revasculariztion
rhogocytes
root celery
Salvia verbenaca
Samu
second molar
sheatheth
single-sided linear motor
spline teeth
stageworthy
Standdaarbuiten
stepping core
suborbital plate
TCB
this or that
three elementary weave
tinkertoy module
tone ringer
trembler firing device
unfavorites
untermyer
Ventox
veractil
Whipsnade
Whitefish L.