磺胺酰脲,对氨苯磺酰脲

Abby: hi, my name's Abby. What's your name? Colin: I'm colin. It's nice to meet you. What do you do? A: I'm a freelance English teacher. How about you? C: I'm in between jobs at the moment. A: what kind of job are you looking for? C: I'd like to find

发表于:2018-11-30 / 阅读(283) / 评论(0) 分类 生活英语情景口语

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(236) / 评论(0) 分类 Scientific American(十)月

U.S. Vice President Joe Biden says he is withholding judgment on Iran's presidential election, as protests continue in Tehran over election results showing a landslide re-election victory for President Mahmoud Ahmadinejad. Vice President Joe Biden,

发表于:2019-01-13 / 阅读(211) / 评论(0) 分类 VOA标准英语2009年(六月)

By Sean Maroney Islamabad 28 September 2009 The head coordinator for the U.N. Humanitarian Affairs office in Pakistan says his agency is ready to handle what is expected to be a large number of families fleeing the South Waziristan tribal region as

发表于:2019-01-13 / 阅读(219) / 评论(0) 分类 VOA标准英语2009年(九月)

Scientists are using DNA to trace illegal ivory from slaughtered elephants to its countries of origin in an effort to nab poachers. Researchers are trying to combat the multi-billion dollar criminal enterprise at its source. A poached elephant Since

发表于:2019-01-14 / 阅读(169) / 评论(0) 分类 VOA标准英语2009年(七月)

BBC Learning English Weekender Body image survey results Amber:Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to a report about a BBC survey of 25,000 young British people, asking about their body imag

发表于:2019-01-16 / 阅读(239) / 评论(0) 分类 Weekender

The 2016 Nobel Prize in Physiology or Medicine goes to Yoshinori Ohsumi of Japan for his discoveries of mechanisms of whats known as autophagy. Break the word down and you get auto and phagy: from the Greek for self, auto, and eating, phagein. So, se

发表于:2019-01-17 / 阅读(213) / 评论(0) 分类 2016年Scientific American(十)月

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(243) / 评论(0) 分类 经济学人科技系列

Adrienne: So, Rob, tell me why you don't like elephants! Rob: Why don't I like elephants? It's a long story. I was traveling in India with a friend of mine and one night we decided to spent the night in a national park, looking at wildlife, and we we

发表于:2019-02-06 / 阅读(179) / 评论(0) 分类 原版英语对话1000个

Omega Pharma-Quick Step grabs world team title THE HAGUE, Sept. 16 (Xinhua) -- Belgian cycling team Omega Pharma-Quick Step rode to victory in the men's team time trial at the road World Championships in Limburg, the Netherlands on Sunday. The team,

发表于:2019-02-06 / 阅读(189) / 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(193) / 评论(0) 分类 趣味英语

By Scott Bobb Lisbon 10 December 2007 The Africa-European Union summit ended Sunday in Portugal with agreement on many global challenges but with differences on other key issues. Correspondent Scott Bobb has this report from Lisbon. European and Afri

发表于:2019-02-07 / 阅读(227) / 评论(0) 分类 VOA常速英语2007年(十二月)

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问,精简军方的官

发表于:2019-02-08 / 阅读(165) / 评论(0) 分类 英语单词荟萃

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(209) / 评论(0) 分类 英语新闻

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(183) / 评论(0) 分类 VOA标准英语2008年(十月)

MANILA, Dec. 7 (Xinhua) -- Death toll in the Philippines due to Typhoon Bopha (local name Pablo) has continued to rise to 418 based on the latest data released Friday by the National Disaster Risk Reduction and Management Council (NDRRMC). NDRRMC Exe

发表于:2019-02-13 / 阅读(179) / 评论(0) 分类 英语新闻
学英语单词
-ceed
aglaomorpha meyeriana schott
aquaspheres
Aurillac
azoprotein
bad-tasting
ballast-roller
barbery
Barkhausen-Kurz valve
bedropped
blastoderms
Body Centered
bologna school
brachysyllabic
chloride of acid
circuit optimization
cloud the brain
connaturalness
country and western
cryokinesis
cyanopsia
data circuit terminal equipment
deed-restricted
density-change equation
down range error
elective judge
electron-ray magic-eye tube
electronic computing system
ellipsographs
fair plain
fassone
floccus
Fonte Boa
give a bum steer
global option
glyoxalin
go under the hammer
green kerneled rice
halichoeres scapularis
hand tripping
high-impact plastics
hypochondrial
II Corinthians
Japanese Bobtail
jettison and washing overboard
kirners
Lamaing
landing cutter
langman
line-outage calculator
live chicken
ltss
magnetic field test
mean speed
meteorological region
N'Riquinha
NATO Joint Communications-Electronics Committee
NMR (spectroscopy)
no call for
nonactor
NOR gate
Normandy Campaign
once-rich
Otase
Ottawa
out of-phase diagram
over arrow
Papilla incisiva
passport holder
paying concern
payroll costs
pericardial region
photo-copied
plate radiator
potamarcha congener congener
quartz substrate
reedbirds
reel fed
Samuelson
Scafati
Scavaig, Loch
scoreboards
single-ended input impedance
sinkin
Skibinge
sonic washing machine
soul and body
spheric attenuation
technical textiles
tee steel
tetrahydroxy acid
tractor grader
trench digger
typogenesis
ucoks
unsurpassable
verrines
versatility
wauchula
william henry fox talbots
winding tension