总有机磷

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 hook He hung his coat on the hook behi

发表于:2018-12-05 / 阅读(176) / 评论(0) 分类 每日攻克5词

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(154) / 评论(0) 分类 VOA2003(下)-农业与经济

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(139) / 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(123) / 评论(0) 分类 2018年NPR美国国家公共电台2月

The United States space agency says its Mars exploration vehicle has discovered chemical substances necessary for life. Scientists reported that NASAs Curiosity rover found large amounts of organic molecules in 3.5 billion-year-old rock in an area ca

发表于:2019-01-03 / 阅读(129) / 评论(0) 分类 2018年VOA慢速英语(六)月

Broadcast: Mar 17, 2003 Rain hits the 1) shingles on the large covered porch that leads up to David Masumoto's farmhouse. From the porch he can see 90-year-old 2) raisin 3) vineyards his family has te

发表于:2019-01-03 / 阅读(181) / 评论(0) 分类 VOA2003(上)-科技先知

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(158) / 评论(0) 分类 Scientific American(十二)月

A melon field is pictured at a farm in the village of Djilakh, 80km south of Dakar, Senegal on 22 Apr 2008 (file photo) African farmers are making more money producing organically grown crops for European markets, where demand for healthier food is g

发表于:2019-01-11 / 阅读(134) / 评论(0) 分类 VOA标准英语2010年(四)月

AGRICULTURE REPORT — November 12, 2002: Organic Food Labeling By Mario Ritter This is the VOA Special English Agriculture Report. Last month, Secretary of Agriculture Ann Veneman announced a program

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 农业与发展

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(153) / 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(191) / 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(158) / 评论(0) 分类 2007年VOA标准英语(七月)

More Land Being Used for Organic Farming More land around the world is being dedicated to organic farming. The Worldwatch Institute says since 1999 theres been a more than three-fold increase to 37 million hectares. Organic farming is farming without

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2013年(一月)

SCOTT SIMON, HOST: Organic milk is widely available these days, but what does that label really mean? A new Washington Post investigation found that there are considerable differences between the organic milk you can buy in a grocery store and the ki

发表于:2019-01-17 / 阅读(118) / 评论(0) 分类 2017年NPR美国国家公共电台5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(154) / 评论(0) 分类 2018年NPR美国国家公共电台7月

Voice 1 Hello. Im Marina Santee. Voice 2 And Im Elizabeth Lickiss. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Milk chocola

发表于:2019-01-19 / 阅读(133) / 评论(0) 分类 环球英语 Spotlight

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(138) / 评论(0) 分类 万物简史

AGRICULTURE REPORT – July 30, 2002: Chemicals on Organic Food By George Grow (Photo -Scott Bauer) This is the VOA Special English AGRICULTURE REPORT. Farmers who grow organic food do not use chemica

发表于:2019-01-30 / 阅读(165) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im

发表于:2019-01-30 / 阅读(221) / 评论(0) 分类 农业与发展

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(139) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-laced
Accountability.
actio commodati
aluminum cable steel reinforced
autistic-spectrum disorder
basic external function reference
bayonet plug
Boriziny
Borlaug, Norman Ernest
Bungweli
butterscotchy
chemoperception
cimarosa
circularness
colic lymph nodes
COMDRARGP
constitutional anthropology
contoocook r.
dayn-
dibismuth trioxide
digital indicating instrument
diners-out
discounted account receivable
drip over
edible part of a nut
electronic schedule telephone
epulofibroma
equilater
evolutionary history
fedorovite
Fereol-Graux paralysis
fixed ratio transmission code
freeedge
fujioka
grollet
half-englishes
half-finished bearing
heterobipolar transistor
hinojos
honour roll
honrizontal polarization (hp)
hypermethylators
IMin'
in daylight
inaugural ceremony
isoacolamone
kicked downstairs
lactucol
LF-TCGF
Lloyd's underwriters
magneto-optic(al) bubble-domain device
malapropists
material consumption calculation
minimum operating speed of ignition system
missexual
nautical chains
octachlorobiphenyls
orange hawkweeds
Orrell
overthrusted
paper weight
Parastilbite
patrol man
pley-e
potential source of ignition
print media
production order cost sheet
protoscolex
purge unit
Qazaq
real exchange rate
register, index
repair of femoral hernia
Restas
right to exclusive use
road dawg
rykiel
San Simeon Point
Scott, Dred
second class airmail
shirreff
spasmogenically
spell off
storage compartment
substantive examination
tactile sensing
Theophyllinecholinate
tire radial run-out
Tokzār
travel accident insurance
triblet
tricoes
tuck shop
type record
ultrasmall mosfets
Vagantin
visual axis
VWI
weisweiler
zarcone
zirconium deposit
zirconolite