海水有机磷

By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti

发表于:2018-12-07 / 阅读(189) / 评论(0) 分类 VOA2003(下)-农业与经济

AS IT IS 2014-08-02 Americans Test Seawater for Fukushima Radiation 美国欲测试福岛辐射值 It has been more than three years since the nuclear accident at the Fukushima power station in Japan. Millions of liters of radioactive cooling water f

发表于:2018-12-16 / 阅读(138) / 评论(0) 分类 2014年VOA慢速英语(八)月

The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松(松树)制成, 在液体的石蜡

发表于:2018-12-18 / 阅读(169) / 评论(0) 分类 英国学生科学读本

Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢

发表于:2018-12-18 / 阅读(152) / 评论(0) 分类 2018年NPR美国国家公共电台2月

The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k

发表于:2018-12-24 / 阅读(200) / 评论(0) 分类 Scientific American(八)月

Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow

发表于:2019-01-02 / 阅读(144) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(十二)月

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 Scientific American(七)月

More government support, including subsidies and a favorable pricing mechanism, is needed for the country to use desalinated seawater to quench its thirst, a top industry expert said。 The lack of an effective pricing mechanism for desalinated water

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 英语笔译

今天我们要学的词是organic。 Organic, 有机的,绿色的。 Organic product, 有机产品。近年来,美国很多消费者开始崇尚绿色、有机食品。不过,统计数字显示, Organic food accounted for only 3.5% of the fo

发表于:2019-01-11 / 阅读(178) / 评论(0) 分类 英语每日一词

This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that

发表于:2019-01-11 / 阅读(230) / 评论(0) 分类 VOA慢速英语2008年(八)月

By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce

发表于:2019-01-12 / 阅读(188) / 评论(0) 分类 2007年VOA标准英语(七月)

AILSA CHANG, HOST: When I think of my favorite foods, I can tick off my favorite Chinese dishes, Mexican dishes, Italian dishes. But if you asked me what Native American dish I enjoy most, I'd be stumped. There's a growing number of Native chefs who

发表于:2019-01-16 / 阅读(134) / 评论(0) 分类 2017年NPR美国国家公共电台1月

MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w

发表于:2019-01-17 / 阅读(183) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl

发表于:2019-01-19 / 阅读(179) / 评论(0) 分类 英闻天下

The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor

发表于:2019-01-29 / 阅读(164) / 评论(0) 分类 万物简史

Packed with proteins and minerals,oysters are the perfect survival food, 牡蛎富含蛋白质和矿物质 是绝好的救生食品 and there's an almost endless supply. 而且几乎取之不尽 It'd be nicer sharing it with the love of your life and

发表于:2019-02-15 / 阅读(154) / 评论(0) 分类 荒野求生

A huge meteorite crashed into the Atlantic Ocean. Babies who were sound asleep in Asia heard the impact. The meteorite went through the ocean bottom. It created a hole deep in the Earth. All the seawater from the Atlantic started rushing into the hol

发表于:2019-02-15 / 阅读(148) / 评论(0) 分类 英文短篇故事(纽约)

Water is so vital to us that it is easy to overlook that all but the smallest fraction of the water on Earth is poisonous to us, 水对我们太重要了,因此我们不容易注意到,地球上绝大部分的水对我们来说都是有毒的,

发表于:2019-02-25 / 阅读(152) / 评论(0) 分类 万物简史

Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche

发表于:2019-02-26 / 阅读(179) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
access block
acetalresin
air communication
angular travel method
applauder
area of stress concentration
baby bond
bemoil
bladelike
breezeblock
building agreement
celestial chemistry
chondrosis
clearing member
cobalt(ii) oleate
commercial services on the net
condenser-discharge apparatus
conjunctival disease
cooperation of handicraft
dependency tree
dye absorption
El Viso
emergency location beacon-aircraft
encuentran
Estathion
Euhorbiasteroid
exclusive domestic jurisdiction
fahrs
family Camelidae
flue gas desulfurization
forced state
foundation for ethnic dance (fed)
funnel box
garling
gas pressure cable
gayers
gliclazid
goods agent
graphplotter
great achievements
ground futtock
hysterectomizes
Ibbett
imperfectives
in-flight flame-out
information at source
kiltings
lanceys
lateral displacement
lead distance
lepidolitum
LFC (low frequency current)
low bed semitrailer
make a show of yourself
matross
mega-market
metre full scale
midparent value
minne
multiple-meaning association
nottaway
opacitas
otious
over-mastication
owo
page pull test
panoramoscope
piston stop washer
poison mercury
positive stop
production key
rademacher
readerly
rebed
reservoir recovery
rivals
role begin date/time
schoolteaching
sebek
see a red light
self-coupling hitch
servomotor cylinder
Sinoleontopodium
spilogale putoriuss
spinning with tension
squelch switch
strumble hd.
styles
subharmonic vibration
subpage fault
synchronized-signal
syndetic program
terdle
That's a mercy!
thermal medium boiler
toxic encephalopathy
tracer-scale extraction
Tragacete
Trimmed Mean
Vallargärdet
venatic
virtual memory allocation