2-羟乙硫醇

发表于:2018-11-29 / 阅读(478) / 评论(0) 分类 迪斯尼儿歌第二集

Sorry,thereisnottexttemporarily,Pleasehelptingroomtolookforit! 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! 汪培珽分级书单(MP3+绘本) TOP50初级英文绘本

发表于:2018-12-06 / 阅读(150) / 评论(0) 分类 粉红猪小妹第二季

AS IT IS 2014-05-25 Scientists Search for New Ways to Stop Mosquitoes 科学家们寻找新的方法来对付蚊子 The sound of a mosquito can mean trouble in many parts of the world. The bite of a mosquito can be deadly. Today, we will hear about s

发表于:2018-12-08 / 阅读(201) / 评论(0) 分类 2014年VOA慢速英语(五)月

美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 630,000 people died of malaria-related

发表于:2018-12-19 / 阅读(159) / 评论(0) 分类 VOA双语新闻 2014年1月

This monument to Islamic heritage is getting a new lease on life. The Bou Inania Medersa or Koranic school was once an architectural jewel of the medieval city of Fes. But centuries of neglect have taken a toll. Restorers are cleaning layers of white

发表于:2018-12-30 / 阅读(221) / 评论(0) 分类 国家地理2007年

It is early evening and soon this amphitheater will be standing room only for the evening show. Bats, hundreds of thousands of Mexican Free-tailed bats, are hungry tornado that swirls out of New Mexico's Carlsbad Caverns each night in search of food.

发表于:2018-12-30 / 阅读(239) / 评论(0) 分类 国家地理2007年

Humulone 律草酮 Huperzine Serrate P.E 千层塔提取物 Hydroginkgolic acid 氢化白果酸 Hydroginkgolinic acid 氢化白果亚酸 p-Hydroxyacetophenone 对羟基苯乙酮 p-Hydroxybenzylalcohol

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

You know,it's pure luck. Ever heard of a bullet-proof BlackBerry? The smartphone is usually used to make a phone call,check e-mail or do some social networking. But this BlackBerry Curve, literally stopped the bullet. I checked,there's no ad for that

发表于:2019-01-07 / 阅读(145) / 评论(0) 分类 万花筒2010年

Researchers Say Malaria Drug Could Also Treat Cancer Scientists know that human cancer cells grow by getting energy from adjacent tumors, where cells have begun to self-destruct. The spread of cancer is accelerated by the death of these cells. This p

发表于:2019-01-13 / 阅读(187) / 评论(0) 分类 VOA标准英语2012年(三月)

Car accidents are the number one killer of teenagers in the United States. Government data show that every year over 4,000 teens lose their lives in collisions that are caused mostly by distracted drivng - a term that includes everything from having

发表于:2019-01-13 / 阅读(147) / 评论(0) 分类 VOA标准英语2010年(六)月

Promising Mosquito Repellent Announced美科学家研发新一代驱蚊剂 In many regions of the world, mosquitoes are a seasonal pest. In other regions, they carry serious diseases like malaria. The World Health Organization estimates that almost 6

发表于:2019-01-14 / 阅读(164) / 评论(0) 分类 VOA标准英语2014年(一月)

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(130) / 评论(0) 分类 白领英语晨读

PEOPLE IN AMERICA -June 30, 2002: Lou Gehrig By Jeri Watson ANNCR: Now, the VOA Special English program, PEOPLE IN AMERICA. A North American Major League baseball record was established in Nineteen-Th

发表于:2019-01-25 / 阅读(213) / 评论(0) 分类 People in America

In January 2015, a fire in one of Russia's largest university libraries damaged more than 1 million historical documents, an incident which some media described as a cultural Chernobyl. 2015年1月,俄罗斯最大的大学图书馆之一发生了火灾

发表于:2019-02-02 / 阅读(142) / 评论(0) 分类 英语新闻

Halloween Comes to AmericaAs European immigrants came to America, they brought their varied Halloween customs with them. Because of the rigid Protestant belief systems that characterized early New England, celebration of Halloween in colonial times w

发表于:2019-02-09 / 阅读(257) / 评论(0) 分类 英美文化

An astronomer used to walk out every night to gaze upon the stars.It happened one night that,as he was wandering in the outskirts of the city,with his whole thoughts rapt up in the skies,he fell into a well.On his holloaing and calling out,

发表于:2019-02-17 / 阅读(220) / 评论(0) 分类 趣味英语

On its website, a history of the company makes no mention of leador indeed of Thomas Midgleybut simply refers to the original product as containing a certain combination of chemicals. 在它的网站上,公司的历史没有提及铅──也没有提

发表于:2019-02-17 / 阅读(152) / 评论(0) 分类 万物简史

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(168) / 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(175) / 评论(0) 分类 万物简史

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(187) / 评论(0) 分类 TED演讲教育篇
学英语单词
-ariums
abandons
acute tubular rejection
along with
aluksnes ezers
araboxylan
atomic language
balance of international payments
Berekfurdo
betalain
bidding energy
Boize
cell-fusion factor
closely coincide
cold-sensitive enzyme
crawlies
Desglucotiansvaaline
desulphuration
diagonal method
distributing ring
divacancics
elementary work
expediment
finer wire
gangosa
gersten
glossiphoniids
gray selenium
group sequential sampling
gulped back
Hilbersdorf
huneke
ice-cliffs
iier
illinoian glacial period
indemnity fund
inspection fee
interincisal
Iqaluit
isoindolinyl
Jerichoite
kebra
landmark
larbs
las(er)ing
limbecs
llanybyther
MacDonaldism
magnetic distrubance
magnetic powder brake
Mahonia duclouxiana
maximal dilatation
micro fluidic channel
Minitron
moire batten
multinomial population
nearby galaxy
neo-Ludditism
no claims return
Nucleus paracentralis
oilfield gas injection
olpidium pendulum
optional legal tender
orgreaves
ottavas
ousters
palpating manipulation
Pilling
placket holes
plain rib fabric
play for a fool
plutology
political scienology
post-embryonic
posterior chamber of the eye
Protran
rate of income on investment
re-edition
recitate
Rogart
rosalind elsie franklin
scavenging material
secondary waste
semi-automatic plating unit
sending up
soldier's patches
spiral-ribbed roll
spot faceplate
Stachys oblongifolia
sulfatized ore
thumbshotted
total heterotrophic bacteria count
traveler's-tree
triple tandem quadrupole instrument
turbofed
twin-finned layout
user interaction analysis
vacuum capacitor
Valdevimbre
verrucaria toroyensis
X-generation
ZCR