[网络] 营养级;营养阶层;营养水平

By Caty Weaver Broadcast: August 1, 2003 This is Steve Ember with the VOA Special English Environment Report. Last month a judge ordered the United States Army Corps of Engineers to begin to lower wat

发表于:2018-12-01 / 阅读(108) / 评论(0) 分类 VOA2003(下)-环境与健康

[00:00.00]Exercise 5 [00:03.40]Part A [00:07.71]You will hear Dr.Wilson,a Professor of linguistics, [00:13.56]talk about formal and informal language. [00:18.49]As you listen,answer Questions 1--10.by circling True or False. [00:26.75]You will hear t

发表于:2018-12-04 / 阅读(121) / 评论(0) 分类 全国公共英语等级考试五级

AS IT IS 2015-12-18 Hated Drug Company Head Arrested by FBI 美国黑心药业大亨被捕 A U.S. businessman once described as the most hated man in America was arrested Thursday. 曾被人们称为恶棍的美国商人于周四被联邦调查局逮捕

发表于:2018-12-08 / 阅读(122) / 评论(0) 分类 2015年VOA慢速英语(十二)月

Studies that will be released today show that fish, birds and mammals in New England have significant amounts of mercury in their bodies. The studies find the toxic metal in some unexpected habitats and they suggest that power plants in the Midwest a

发表于:2018-12-17 / 阅读(188) / 评论(0) 分类 2009年NPR美国国家公共电台7月

Individuals' Blood Glucose Levels after Meals May Be Predictable预测血糖 High blood sugar levels are a risk factor for type 2 diabetes. Doctors today have only general dietary recommendations for how to control those levels, because theres no rea

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 2017年Scientific American(四)月

Mike: So Dusty, we were talking earlier, and you're telling that you're into marine biology, and that's kind of your background. So, tell me a little bit about why you like - what's your fascination with marine biology? Dusty: Well, the main thing is

发表于:2018-12-25 / 阅读(119) / 评论(0) 分类 原版英语对话1000个

HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect

发表于:2019-01-04 / 阅读(107) / 评论(0) 分类 健康与环境

HEALTH REPORT – December 11, 2002: Mercury Levels in Fish By George Grow This is the VOA Special English Health Report. Two studies are adding to the debate about the health risks of eating fish con

发表于:2019-01-07 / 阅读(95) / 评论(0) 分类 健康与环境

By Melinda Smith Washington, DC 01 September 2006 watch Nicotine Study Smoking a cigerette A report issued this week shows that major American tobacco companies have increased the level of nicotine in their cigarettes, making them more addictive. VO

发表于:2019-01-12 / 阅读(165) / 评论(0) 分类 2006年VOA标准英语(九月)

Tests Show Levels of Arsenic in US Rice Two hundred different types of rice and rice products tested by both the non-profit research group, Consumer Reports, and the U.S. Food and Drug Administration [FDA], contained varying levels of different forms

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2012年(九月)

Ocean Levels Rising Fast on US Coasts Ocean levels are rising faster and higher on both coasts of the United States than in other parts of the globe, according to two new studies, and California could be especially hard hit. There will be about one m

发表于:2019-01-13 / 阅读(118) / 评论(0) 分类 VOA标准英语2012年(六月)

StudyFindsHighLevelsofBPAinCannedFoodforKids The industrial chemical BPA has been used to make hard plastic bottles and the lining of food cans for decades. After studies indicated that the chemical could play a role in cancers, heart disease and abn

发表于:2019-01-13 / 阅读(81) / 评论(0) 分类 VOA标准英语2011年(九月)

DAVID GREENE, HOST: The amount of carbon dioxide in the air is rising because of human activity. And NPR's Merrit Kennedy reports that scientists around the world are trying to understand how more CO2 is going to impact the plants we eat. MERRIT KENN

发表于:2019-01-17 / 阅读(75) / 评论(0) 分类 2018年NPR美国国家公共电台6月

Shanghai Takes Measures against Rising Sea Levels Zhang Zhenyu, of the Shanghai Flood Risk Information Center spokesperson, said the seawalls virtually encircle half of the city. These are all the sea walls we have built, including from Hangzhou Bay

发表于:2019-01-19 / 阅读(112) / 评论(0) 分类 2015CRI中国国际广播电台

Mike: So Dusty, we were talking earlier, and you're telling that you're into marine biology, and that's kind of your background. So, tell me a little bit about why you like - what's your fascination with marine biology? Dusty: Well, the main thing is

发表于:2019-01-25 / 阅读(114) / 评论(0) 分类 英语趣味课堂

HEALTH REPORT - PSA Levels and Prostate Cancer By Jerilyn Watson Broadcast: Wednesday, June 09, 2004 This is the VOA Special English Health Report. Many older men are tested each year for cancer of th

发表于:2019-01-30 / 阅读(113) / 评论(0) 分类 健康与经济

By Melinda Smith Washington, DC 05 October 2006 watch Athletes Heart Risk One of the leading causes of death among young athletes on the playing field or court is a heart condition called Hypertrophic Cardiomyopathy. But the results of a 25-year stu

发表于:2019-02-03 / 阅读(177) / 评论(0) 分类 2006年VOA标准英语(十月)

Since the April 20 explosion and fire that sank the BP Deepwater Horizon off-shore oil rig, about 800,000 liters of crude oil a day have been spewing from the broken well into the Gulf of Mexico. The massive spill is threatening marine life, commerci

发表于:2019-02-05 / 阅读(161) / 评论(0) 分类 VOA标准英语2010年(五)月

WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine(碘) has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai

发表于:2019-02-11 / 阅读(108) / 评论(0) 分类 英语新闻

Smog levels in Beijing have hit the 'Hazardous' mark again just 2 weeks after recording one of the worst cases of air pollution. The PM 2.5 monitoring systems in the Chinese capital showed readings of around 400, which is considered hazardous. That's

发表于:2019-02-21 / 阅读(109) / 评论(0) 分类 英闻天下
学英语单词
aeroencephalography
al-CIAda
alarm computer
algebraic mainipulation language
amundson
antrodia taxa
arachnoid granulations (or pacchionian bodies)
attractive fix-point
avulsion of penis
barley cleaner
begomovirus sweet potato leaf curl virus
boom crane
caledon yellow 3g
capturer
chlorothiazinde
clammers
coloratura
Congregationalist
continuous transportation
contracting nozzle
correus
dielectric loss measurement
diminished capacity
drip-proof canopy
Edvard Hagerup Grieg
Fauchard's disease
foreken
fundamental training
group rapid transit
gullicks
Gundlakamma R.
hanging-out ratio
harmonic relation
hazmat suit
heat-flow equation
heat-resistant glass
Heberden node
hold mark
Holmes L.
hydroxymethyl furfural
iBGP
in someone's head
incoming particle state
inexpertness
intermin
IT audit
Laurentide
load monitoring
loader-mounted shovel
lot on
Manerbio
Mat'l
mechanisms
menloves
merrythoughts
multieffect
musculus constrictor dors.
nightlier
normal stress effect
Nothodoritis zhejiangensis
off-airs
oil filter inlet pipe
open-system
outstinks
payable at destination
pebble graining
phyllodromia nigripronota
pile clump dike
pilot navigator
plagose
polyblennia
Powassan
pronephra
purchase of land
raking over
real-gas
reasiness
retouched
ribgrass
roller streak
salgadoes
Sincham
single level cost sheet
smart frost
soft stuffing-box seals
soil organic matter fractions
soiling behavior
spreading gangrene
squeezier
standing-wave-ratio meter
stress-responsive
suun-do (sujun-to)
telescopic band
Tetanol
thur
tinting clolour
UIPM
uncountered minefilds
unmarked list node
visioplasticity method
Wellerian