[化] 苯甲醇
[医] 苄醇, 苯甲醇

Health Report - Spray Shows Promise in Malaria Study in Benin 健康报道 - 室内喷洒杀虫剂可减少疟疾传播 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 Malaria is caused by a parasite sp

发表于:2018-12-16 / 阅读(108) / 评论(0) 分类 2011年VOA慢速英语(十二)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(110) / 评论(0) 分类 万物简史

一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 carb-, carbo- 表示碳 carbon = carb + on n. 碳 carbohydrate = carbo + h

发表于:2018-12-19 / 阅读(75) / 评论(0) 分类 英语PK台

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(92) / 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(57) / 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(52) / 评论(0) 分类 英语听力文摘 English Digest

In the English language, putting two -ing words together often is not only natural but correct. Listen to an example: Ive been avoiding going to the doctor. In todays Everyday Grammar, we will look at examples of when two or more -ing words appear ne

发表于:2019-01-03 / 阅读(54) / 评论(0) 分类 2018年VOA慢速英语(三)月

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(99) / 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(98) / 评论(0) 分类 Scientific American(十一)月

What you eat affects more than physical health. Two new studies have added to the growing evidence linking the stomach and the brain. In a report in the Proceedings of the National Academy of Sciences, researchers studied how junk food can trigger ad

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 Scientific American(十一)月

FRITZI BODENHEIMER: This is SCIENCE IN THE NEWS in VOA Special English. I'm Fritzi Bodenheimer. FAITH LAPIDUS: And I'm Faith Lapidus. Winter conditions are affecting many countries in Earth's northern hemisphere. Winter brings cold weather and, with

发表于:2019-01-11 / 阅读(332) / 评论(0) 分类 2010年慢速英语(二)月

Diet and the Brain A study in the Proceedings of the National Academy of Sciences finds that brain chemicals linked to addiction are in play with a high-sugar diet, and a study in the Archives of Internal Medicine shows that a high-carb diet had last

发表于:2019-01-30 / 阅读(187) / 评论(0) 分类 60秒科学

SCIENCE IN THE NEWS - Diet News / Big Plans for Losing Weight / New Drug for Malaria By Broadcast: Tuesday, June 01, 2004 (THEME) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Sa

发表于:2019-01-30 / 阅读(136) / 评论(0) 分类 科技之光

The case for prenuptual agreements may have just gotten stronger: According to a new survey by credit-tracking company Experian, 16 percent of newlyweds admit they are hiding a financial account from their spouse. 婚前协议的案例与日俱增。信

发表于:2019-02-01 / 阅读(65) / 评论(0) 分类 实用英语

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(209) / 评论(0) 分类 英语新闻

VOICE ONE: Many people who try to lose weight know that no diet is perfect.But two new studies show that a diet low in carbohydrates can cause faster weight loss than a diet low in fats. This was true at least in the short term. Researchers published

发表于:2019-02-06 / 阅读(91) / 评论(0) 分类 英语杂谈

There are lots of different diets. On of them is called the low-carb diet. If you were on a low-carb diet you would eat... 节食方法有很多种,有一种叫做低碳水化合物饮食,若你就是这种情况,你会吃什么呢? a) less fish b) less pasta(意大利面条) c) les

发表于:2019-02-06 / 阅读(216) / 评论(0) 分类 六分钟英语

Spraying Insecticide Indoors Reduces Spread of Malaria Researchers in West Africa have shown that spraying insecticide indoors can dramatically reduce malaria transmission. Efforts to develop a malaria vaccine have so far been disappointing, so progr

发表于:2019-02-12 / 阅读(124) / 评论(0) 分类 VOA标准英语2011年(十月)

STEVE INSKEEP, BYLINE: Some people who watch what they eat may be overlooking the most important things. Counting calories is a bit too simple. Cutting carbs is a bit too hard. So what can you do? NPR's Allison Aubrey has a different strategy. ALLISO

发表于:2019-03-04 / 阅读(134) / 评论(0) 分类 2019年NPR美国国家公共电台1月

Don: Today on A Moment of Science Yael and I are talking about... lunch. Yael: Actually, we're going to talk about Don's lunch--and just how healthful, or unhealthful, it is. D: Well, I don't think you're gonna see too much unhealthful stuff, Yael. T

发表于:2019-03-06 / 阅读(122) / 评论(0) 分类 英语时差8,16
学英语单词
absolute spaces
acetate cellulose
acronym expansion
againest
algam
alkylolamides
ancient cultural relic
antimony trisulfate
appropriating
arkyochromic type
ax-hammer
Ayrton-Jones balance
bamboozling
Bell core
bombproofer
bounce of a wheel on a rail joint
BPAF
camplins
catfisher
chadderton
charke coal
communication oriented computer
contouring control system
Counter-suggestion
cuspidaria prolatissima
de Gaullist
dead sets
dishwashers
disinterested inquiry
double-bell charging mechanism
duplex helical
eastertides
engineer work station
enlure
escoms
ex pier duty unpaid
fails
Famennian Age
fan brake
fasnacht
floating tone
fond memory
gas at high pressure
gasoline composition
givre
glume blotch
gluteraldehyde
golden sombrero
Goris
halutzim
Hermanites
hotjobs
infectious feline panleucopaenia
intertubercular line
irreverences
isotope farm
jalloh
joint confidence region
Kahokugata
Koczała
Konno
landslide area
likas
main canopy
marijane
medium pressure hydrogenation
non-nucleoside reverse transcriptase inhibitor
outdoor transformator
parliance
patternsensitive fault
perpendicularity
phytoplasmas
post-boat
prosopo-
remanences
sarvo
scanning echo sounder
shuttlecocks
siphonic
sourstuff
stability standard
standard observer
Stichaeini
suctionpipe
take a active part
tape transport sensing circuit
target languages
temple blocks
Texas Instruments Incorporated
the whole enchiladas
tobravirus
transmission system codes
triangular wave
tubotympanum
ventilated enclosure
Vicia chinensis
vowelizations
wage fund management
wall bolt
wet rice milling
witenagemot, witenagemote