二甲氨基乙基葑酸酯

A: It's time for you to wake up. B: Give me five more minutes. I'm really tired this morning. A: I'm sorry, but it's time for you to get ready for school. B: I get that, but let me just sleep for a little bit longer. A: You're not going to get up in

发表于:2018-11-30 / 阅读(131) / 评论(0) 分类 英语情景对话-日常生活

A: Wake up, it's time for school. B: I'm so tired. Let me sleep for five more minutes. A: You have to get up and get ready for school. B: I know, but just five more minutes. A: I can't let you go back to sleep, because you won't wake back up. B: I pr

发表于:2018-11-30 / 阅读(110) / 评论(0) 分类 英语情景对话-日常生活

NOEL KING, HOST: There is a frightening new dimension to the opioid crisis. People who are using cocaine are overdosing, not on cocaine but on fentanyl. Fentanyl makes heroin even more dangerous, and now it's showing up in cocaine as well. And that c

发表于:2018-12-01 / 阅读(124) / 评论(0) 分类 2018年NPR美国国家公共电台3月

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(133) / 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(90) / 评论(0) 分类 VOA双语新闻 2014年1月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(94) / 评论(0) 分类 Scientific American(一)月

Korean Surveillance School Trains Citizen Snoops Ji Soo-hyun leads a double life. Three-months ago, the housewife began a career catching lawbreakers red handed. Ji, 54, says her specialty is going undercover at private tutoring schools. I pretend th

发表于:2019-01-13 / 阅读(89) / 评论(0) 分类 VOA标准英语2012年(五月)

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(87) / 评论(0) 分类 VOA标准英语2014年(一月)

An Even Deadlier Opioid, Carfentanil, Is Hitting The Streets play pause stop mute unmute max volume 00:0003:27repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plu

发表于:2019-01-16 / 阅读(118) / 评论(0) 分类 2016年NPR美国国家公共电台9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(65) / 评论(0) 分类 白领英语晨读

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(140) / 评论(0) 分类 经济学人科技系列

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技 克雅氏病 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(119) / 评论(0) 分类 经济学人科技系列

By Jim Teeple Jerusalem 05 November 2006 Palestinian women mourn during funeral of brothers Ayman and Raed Yassin in Beit Lahia, November 4, 2006 Israel's prime minister, Ehud Olmert, on Sunday said the military operation in Gaza is not open-ended,

发表于:2019-02-01 / 阅读(159) / 评论(0) 分类 2006年VOA标准英语(十一月)

今天我们要学的词是 fentanyl. Fentanyl 芬太尼。U.S. President Trump said he would raise the issue of the flood of cheap and deadly fentanyl when he meets Chinese President Xi Jinping. 美国总统川普说,他见到中国国家主席习近

发表于:2019-02-16 / 阅读(117) / 评论(0) 分类 英语单词荟萃

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(92) / 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(107) / 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(98) / 评论(0) 分类 万物简史

Dad: Where have you been? Do you know what time it is? Caitlin: Im sorry, Dad. I lost track of time. Dad: Lost track of time? Weve been worried sick about you. You were supposed to come straight home after school. Caitlin: I know, but Janet was showi

发表于:2019-02-18 / 阅读(54) / 评论(0) 分类 地道美语播客

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(119) / 评论(0) 分类 TED演讲教育篇

The State Administration of Science, Technology and Industry for National Defense released 17 pictures captured by Gaofen-4 on Wednesday, covering an area of at least 400 kilometers. The project's chief designer, Tong Xudong, said Gaofen-4 is in good

发表于:2019-02-21 / 阅读(135) / 评论(0) 分类 2016CRI中国国际广播电台
学英语单词
air-route traffic control
AMHA-TP
anesthetospasm
ante date cheque
apparent principal stress
attainable
automatic driller
axonometric drawing
baseball scores
bat dor dance
bear no responsibility for
berberis fortunei lindl.
bioplasson
bipropellant
black - billed magpie
blow-out diaphragm
blunt-force
broils
butonate
Campbell's method
carotid sinus depressor reflex
cerebratmon
chinese magnolias
cidermaking
clarification filtration
coconut milks
color identification of pipe lines
coming out
comparison solution
coulsdon
Cox City
cutting of cancer trees
danino
departmental hour rate method
deromanticises
destination label
differential-transformer
diphenylhydantoin
diplazium pullingeri
donaus
double-row seating
dual-ignition magneto
Dyson sphere
Epipactis royleana
excom
extended style
fast effect
feeder sheep
forged stem bar
Fortuss
generating rolling line for tooth form of worm
glycerin monostearate
grassmann anticommuting algebra
heifer dust
hieracosphinxes
high-speed knife
human sacrifice
humboldtite
iambuss
inrush of water
insert bit
internal risk management system
iodized salt
keep right
Ktiv Male
leucomycins
mathew b. bradies
multiple fork
non-crystallizable
nontariff device
o.p.t.
phase shift modulation
pouters
Procanodia
prostatae isthmus
quantitative differential thermal analysis
quick bath
re-taining part of the extra profit
regularizer
relict ecotype
remote picture
Rhamnus frangula L.
right of reprieve
robenidine
Sarner See
serous demilune
shipboard soldiers
single-pipe brake system
sneezeweed
solanapyrone
spinal cord deformity
ST_birds_birds-which-live-by-or-on-inland-water
stornaway
strategic atomic stalemate
stratimetry
tellurium halide
tentative annual report
top-rounding
tuberculum anterius thalami
twips
two leg propeller strut
windress