苯偶氮吡胺

A: How much is the fare for this bus? B: It costs $1.25 to ride the bus. A: So, how long have you been driving buses? B: I've been driving this bus for only a few months. A: Do you enjoy being a bus driver? B: Not really. A: I would never dream of dr

发表于:2018-11-30 / 阅读(203) / 评论(0) 分类 英语情景对话-日常生活

A: How much is the fare for this bus? B: It costs $1.25 to ride the bus. A: So, how long have you been driving buses? B: I've been driving this bus for only a few months. A: Do you enjoy being a bus driver? B: Not really. A: I would never dream of dr

发表于:2018-11-30 / 阅读(150) / 评论(0) 分类 英语情景对话-日常生活

A: What does it cost to ride this bus? B: The fare is $1.25. A: Have you been driving buses a long time? B: I haven't been driving for longonly for a few months. A: Do you like to drive the bus? B: Not in the least bit. A: I would have never dreamed

发表于:2018-11-30 / 阅读(176) / 评论(0) 分类 英语情景对话-日常生活

糖尿病患者或见新希望?NMN蛋白质 A substance that the body makes naturally may be a key to rolling back Type 2 diabetes.Researchers used a substance to restore normal blood sugar metabolism in diabetic laboratorymice. Washington Universi

发表于:2018-12-16 / 阅读(108) / 评论(0) 分类 VOA标准英语2016年(七月)

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(135) / 评论(0) 分类 万物简史

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(107) / 评论(0) 分类 Scientific American(三)月

Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(81) / 评论(0) 分类 初学者听力文摘精选

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(77) / 评论(0) 分类 英语听力文摘 English Digest

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(十一)月

By Sonja Pace London 23 October 2006 Britain's Prime Minister Tony Blair, left, meets with visiting Iraqi Deputy Prime Minister Barham Saleh, Monday Oct. 23, 2006 raqi Deputy Prime Minister Barham Saleh says his government is working to take greater

发表于:2019-01-12 / 阅读(150) / 评论(0) 分类 2006年VOA标准英语(十月)

By Al Pessin Pentagon 23 March 2006 Donald Rumsfeld U.S. Defense Secretary Donald Rumsfeld says the delay in forming a new Iraqi government is contributing to the ongoing violence in the country. ----

发表于:2019-01-13 / 阅读(131) / 评论(0) 分类 2006年VOA标准英语(三月)

Somalia's transitional leadership is struggling to form a new government, following the resignation of former president Abdullahi Yusuf, and trying to prevent Islamist extremists from taking control as Ethiopian troops withdraw. Somalia's two top le

发表于:2019-01-13 / 阅读(122) / 评论(0) 分类 VOA标准英语2009年(一月)

Burmese pro-democracy activists have welcomed the stated policy approach by the new Thai government and its call for political change in Burma ahead of Burma's general elections, scheduled for 2010. The Thai Government is also looking to other South

发表于:2019-01-13 / 阅读(118) / 评论(0) 分类 VOA标准英语2009年(一月)

By Brian Padden Irbil, Iraq 17 August 2007 The death toll from a series of suicide attacks on Iraq's Yazidi sect on Tuesday continues to rise. Officials now estimate at least 400 people were killed and hundreds more wounded when four truck bombs expl

发表于:2019-02-03 / 阅读(157) / 评论(0) 分类 2007年VOA标准英语(八月)

By Robert Berger Jerusalem 02 April 2006 Acting Israeli PM Ehud Olmert, right, and Bank of Israel Governor Prof. Stanley Fischer, April 2, 2006 Israel has formally begun the process of forming a new g

发表于:2019-02-04 / 阅读(169) / 评论(0) 分类 2006年VOA标准英语(四月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(250) / 评论(0) 分类 英语新闻

By Bill Rodgers Washington 15 March 2006 The latest sectarian violence in Iraq has raised questions about the future of the U.S. mission to establish a secure and democratic country, three years after

发表于:2019-02-06 / 阅读(181) / 评论(0) 分类 2006年VOA标准英语(三月)

By Alisha Ryu Mogadishu 04 January 2007 In the post-Islamist Somali capital Mogadishu, a deadline for the city's militias and residents to voluntarily hand in their weapons has been largely ignored. As VOA Correspondent Alisha Ryu reports from Mogad

发表于:2019-02-06 / 阅读(177) / 评论(0) 分类 2007年VOA标准英语(一月)

今天我们要学的词是commemorate。Commemorate动词,意思是庆祝、纪念。 U.S. President Donald Trump said it is so foolish for American cities to be removing statues commemorating Confederate generals and soldiers who fought on the lo

发表于:2019-02-24 / 阅读(140) / 评论(0) 分类 英语单词荟萃
学英语单词
aerodynamic factors
Aldeatejada
analogue aerodynamics
at the slope
automobil receiver
bean-flicker
benzoclidine
bubble departure diameter
carrier by water
collision relaxation
conservant
contract pressure base
conventional duty
cotans
curstest
daphne tangutica maxim.
DC three-wire insulated system
dehypnotising
dependency benefit
dermal epithelium
diamminepalladium(ii) chloride
double malaria
ductus endolymphaceus
early-year
eddering
ekasilicon
extremiss
fer-de-lances
floating found ation
flode
get on sb's wick
get-well
halyard block
Hwemun
income difference
inspire
jaehne
kajikia audax
kindbergia arbuscula
light-stability
Louisa County
Lubie, Jezioro
lysimachia vulgariss
main air compressor
mankin
mechanical caging
metacarpal veins
metalloorganic compound
montenvers
nesslerized
New Tazewell
nonfat solid
numbering among
odor destruction
origin recognition complex
parajournalists
parathyroid carcinoma
partes lacrimalis
peynado
placebolike
plunderbund
poshekhonov
posterior median septum
postradioembolization
postsnap
pure cellulose
putty-like polymer
quidditches
range flag
recorded-delivery
revenue reserve
rwandans
scabbard trachea
search-and-rescue
second cosmic velocity
self-opening reamer
service element
Sistan
sonix
squirrel-sized
stalagmometric
Stanton, Edwin McMasters
stud arc welding
subclass synapsidas
subcritical boiling
subordinate load
tabernamontanain
tape-loop
time shipment
todhunters
tozers
tractor mounted sprayer
tritoniss
tropical continental climate
uninterrupted series of endorsement
virtual circuit interconnect
vision-mixer
weedwhacker
whitlockites
woopie