[网络] 羧基多肽酶

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(73) / 评论(0) 分类 英语PK台

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson (Start at 1'02

发表于:2019-01-02 / 阅读(111) / 评论(0) 分类 科技之光

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(53) / 评论(0) 分类 2018年VOA慢速英语(三)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(120) / 评论(0) 分类 Scientific American(十一)月

Food prices continue to rise, threatening to push more and more people into poverty and hunger. A new report from the UN food agency says one of the best ways to boost agricultural productivity worldwide would be to remove the barriers women farmers

发表于:2019-01-08 / 阅读(66) / 评论(0) 分类 VOA标准英语2011年(三月)

In Fast-Moving World, Slow-Going Barges Ply US Waterways These days, words like speed, flexibility, and high-tech describe the American culture - and a lot of the nations business operations. But not one thats based on the nations inland rivers. The

发表于:2019-01-08 / 阅读(84) / 评论(0) 分类 VOA标准英语2012年(二月)

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(330) / 评论(0) 分类 2010年慢速英语(二)月

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Traditional fisheries may no longer be the world's most important provider of fish. A new United Nations report shows that fish farming or aquacultur

发表于:2019-01-12 / 阅读(99) / 评论(0) 分类 2011年VOA慢速英语(二)月

Hungrier Planet Strains Water Supply Thirsty food Water. As the population grows, there are more and more people at the tap every day. But when it comes to the worlds demand for water, drinking it is just the beginning Food - and agriculture in parti

发表于:2019-01-13 / 阅读(70) / 评论(0) 分类 VOA标准英语2012年(三月)

Global Warming Might Threaten Water Supply Stanford University climate expert Noah Diffenbaugh led the study, which compares snowpack conditions across the northern hemisphere in the late 20th century with climate model projections for the next one h

发表于:2019-01-14 / 阅读(75) / 评论(0) 分类 VOA标准英语2012年(十一月)

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(77) / 评论(0) 分类 英语博客 A cup of English

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(180) / 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(134) / 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(62) / 评论(0) 分类 实用英语

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(128) / 评论(0) 分类 2007年VOA标准英语(五月)

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(89) / 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(215) / 评论(0) 分类 六分钟英语

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(102) / 评论(0) 分类 英语博客 A cup of English

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(132) / 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(118) / 评论(0) 分类 英语时差8,16
学英语单词
49er
a great deal of
aborigine
actual counted quantity
agroecologically
artificial disease
autumn variety
betani
biboveralls
Bmkr
breaking force
bridgton
Bucaramanga
carbide lamellartiy
chromocenter (tischler 1920)
clean distance
computer keyboards
CSMA CD
Cyclops phaleratus
dimevamide
dislocation martensite
drug effect
Drypetes obtusa
enculade
erding
family Erysiphaceae
ferric dichlorobromide
fixed scatter communication
galactagogues
genus Rhinonicteris
Giron Beach
Graftskin
half-mutation
hemorrhage of diverticulum
histocompatibility
implicit deallocation
in-phase (i) signal
international metalworkers federation (imf)
ion scattering analysis (ISA)
keitai
lab project
langel
launch into
left-hand system
level 2 cache
low-power run
Lozovaya
maerp (mutual atomic energy reinsurance pool)
Mephacyclin
night courts
of high station
opinion maker
oxygenated fuel
Oxyren
p-ancas
Pandora's boxes
paraffinaceous petroleum
peaked amplifier
period of depreciation
Pernmet
peronosclerospora sacchari
phellodendron japonicum maxim.
phenyl hydrazine p-sulfonic acid
phospholambans
pinions
plexus coccygeus
program support service budget
purbach
quarrone
rare refractory metal
rate expression
recogniz'd
repointing
reverse-power tripping
Rodzianko
rudolpho
search and rescue control center
seemingly unrelated regression model
self-sown seed
sense of position
shout sb down
slope gage
smokejumpers
sporangiocarp
star-dial
stationary orbit system
steering head lock
stress psychology
structural surplus
succus gastricus
thethen
Thomomys
tomato aspic
touching story
trenchcoat
trimmer potentioneter
Verkhnyaya Teberda
Vibank
windoe
wine moth
Yembo
yolk index