涡黏度

This is Whats Trending Today When it comes to weather, it is hard to sound more frightening than to call a storm a bomb cyclone. 谈到天气,很难听到什么比炸弹旋风更可怕的了。 But that is how weather experts are describing a huge

发表于:2018-12-08 / 阅读(512) / 评论(0) 分类 2018年VOA慢速英语(一)月

Now if you use the right kind of atoms and you get them cold enough, something truly bizarre happens. 如果使用正确的原子,并让其足够冷却,奇迹就会发生。 It's no longer a solid, a liquid or a gas. It enters a new state of matt

发表于:2018-12-19 / 阅读(139) / 评论(0) 分类 TED演讲教育篇

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

发表于:2018-12-24 / 阅读(180) / 评论(0) 分类 Scientific American(二)月

232. A vocation for the vigorous 充满活力者的职业 vigor-vocational The vigor and vitality that one must possess to be a doctor is amazing. Perhaps many have the vision, but only the truly vigorous can handle such a vocation. Virtuosity is a m

发表于:2018-12-30 / 阅读(170) / 评论(0) 分类 胡敏托福词汇记单词

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

发表于:2019-01-03 / 阅读(379) / 评论(0) 分类 医务英语

Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t

发表于:2019-01-12 / 阅读(264) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Mil Arcega Washington 25 May 2007 Technology and high gasoline prices are helping to coax hard-to-extract oil from California's oil fields. Production at some of the state's older oil fields is expected to dry up in about 25 years, but Chevron say

发表于:2019-01-13 / 阅读(239) / 评论(0) 分类 2007年VOA标准英语(五月)

You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high accelerations? 也许你认为青蛙能捕食昆虫是由于舌头很粘的缘故。但

发表于:2019-01-20 / 阅读(224) / 评论(0) 分类 2017年Scientific American(三)月

Frog Spit Behaves Like Bug-Catching Ketchup 青蛙唾液竟然类似番茄酱? You might think frogs catch insects cause their tongues are sticky. But why is the tongue sticky, and how does it actually adhere to these insects at these very high acc

发表于:2019-01-20 / 阅读(173) / 评论(0) 分类 2017年科学美国人(七)月

China's national observatory renewed its orange alert for cold wave- the second highest level - on Sunday evening. Sun jun, chief forecaster of the National Meteorological Center, says the strong cold front is linked with the activity of the polar vo

发表于:2019-02-02 / 阅读(163) / 评论(0) 分类 英语新闻

A AAMA American Automobile Manufacturers Association 美国汽车制造商协会 ACEA Association des Constructers Europens dAutomobiles 欧洲汽车制造商协会 ACS American Chemical Society 美国化学学会 AFR Air/Fuel Ratio 空/燃比 AFV Alternative Fuel Vehicle 代用

发表于:2019-02-03 / 阅读(200) / 评论(0) 分类 英文语法词汇

By Greg Flakus Houston, Texas 17 May 2007 High energy prices, coupled with rising demand, are putting pressure on the oil and gas industry worldwide. Many companies are finding and developing new, underwater fields. More than 67,000 representatives o

发表于:2019-02-05 / 阅读(189) / 评论(0) 分类 2007年VOA标准英语(五月)

The mascot, Kangkang, debuted on Thursday. It's based on a colored ink prototype painted by well-known Chinese artist Han Meilin. The 80-year-old is the man behind the famous fuwa, the mascots for the Beijing Olympic Games in 2008. For the Spring Fes

发表于:2019-02-05 / 阅读(180) / 评论(0) 分类 英语新闻

Agriculture Report - Tomato's Genetic Secrets Are Peeled Away This is the VOA Special English Agriculture Report. Scientists have made a genetic map of the tomato. Tomatoes are second only to potatoes as the world's most valuable vegetable crop. Eigh

发表于:2019-02-08 / 阅读(192) / 评论(0) 分类 2012年VOA慢速英语(七)月

Temperatures in Beijing dropped to below minus-10 degrees Celsius on Friday. Forecasters are warning the temperatures are going to hit a 30-year low through this weekend. Yu Bo is the chief forecaster with the Beijing Municipal Meteorological Center.

发表于:2019-02-14 / 阅读(244) / 评论(0) 分类 2016CRI中国国际广播电台

A polar vortex, also known as a circumpolar vortex, is a wind current that circulates above the North and South Poles. The currents sit like spinning hats above the Poles. 极地涡旋,又叫环极涡旋,是环绕在南极和北极上空的一股气

发表于:2019-02-16 / 阅读(184) / 评论(0) 分类 英语新闻

被动语态的译法 英语中被动语态的使用范围极为广泛, 尤其是在科技英语中, 被动语态几乎随处可见, 凡是在不必、不愿说出或不知道主动者的情况下均可使用被动语态,因此, 掌握被动语态的翻

发表于:2019-02-18 / 阅读(225) / 评论(0) 分类 实用英语

Now let's get some of the science behind the cold. What is driving these temperatures and how long is it expected to last. We bring in meteorologist Alex Wilson of US' Weather Channel. As even talking about this unusual cold, something you've been he

发表于:2019-02-18 / 阅读(229) / 评论(0) 分类 CCTV9英语新闻2014年01月

What Is the Polar Vortex? Record cold weather in the United States is forcing schools and businesses to close. The polar vortex, as it is called, has also canceled flights and suspended mail delivery. The temperature in Fargo, North Dakota, dropped t

发表于:2019-02-18 / 阅读(164) / 评论(0) 分类 2019年VOA慢速英语(二)月

When a prospective employer makes unreasonable demands on you before things start to get serious, it's a strong signal to hit the road. 当一位未来雇主在工作还没正式之前就提出了无理要求,那么明显说明你需要跑路了。

发表于:2019-02-21 / 阅读(263) / 评论(0) 分类 实用英语
学英语单词
a -fest
abyssolithic
acetylamino acid
analytic subset
band-limited communication
banderole
becrawl
bend one's mind to
biodynamic agriculture
Boolean item name
Burdeos
camellia seed
canaigra bark
clearing expense
coastal forest
cofacctor recycling
color stripper
common life
compliment away
control of stamping
coprophagan
decontaminable paint
denbigh knitting
dermatomyotome
Dicentra spectabilis Lem.
displacement angle
engine monitor
escalation clause
estradiol valerate
ethyl tert.-butyl ether
fashion shares
fertiloscopic
fierce competition
flock dyeing
fortune tellings
gag lever
gamblins
growth-weight gain
Guillaume balance
harisim
hatch hour
Haute-Volta
hay knife
high-achiever
highrate aeration
honorant
hospital train
intensity levels
it serves you right
Karalundi
Lanier
law of isomorphism
Lempel Ziv compression
leptospiras
light-duty series
listing announcement
made a martyr of ourselves
margo lacrimalis
medieval-philosophy
meliot
microplots
mine tractor
molasseslike
most of water utilised in animal's body
national television standards committee video
normal feed
otso
pageless
palsson
paradigmatical
Placentalis
popcorn poppers
post-copernican
product involvement
professional position
radiopneumonitis
razor-cut
remakers
RF substitution method
rwo
Sanit James
selecting magnet
separate jurisdiction
shadow transit
silent mesh gearset
spring reed release motion
steel bar mechanical connecting
striking formwork
sulfanilylazide
sulfurizations
sydenstricker
t slot screw
take the liberty of doing sth
Tasserest
tax paying
thalamous
timebank
traffic-safety
visitor attraction
weak conditioned stimulus
wingett
yakmak