[地化] 沉积物有机地球化学

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(153) / 评论(0) 分类 VOA2003(下)-农业与经济

Dinosaur Death Leads to Rise of Fish 恐龙死亡导致鱼类增多 Tens of millions of years ago, an asteroid hit what is now the Yucatan Peninsula of Mexico. The event led to a global mass extinction that has been linked to the end of the dinosaurs

发表于:2018-12-08 / 阅读(158) / 评论(0) 分类 2015年VOA慢速英语(七)月

It's a slow drip, but it's melting glaciers and we are to blame. That's according to a new research which finds the earth is now the hottest since it has been in 400 years and potentially the last 200

发表于:2018-12-11 / 阅读(126) / 评论(0) 分类 万花筒2006年

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(146) / 评论(0) 分类 Scientific American(九)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(127) / 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(178) / 评论(0) 分类 VOA2003(上)-科技先知

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(四)月

Urine Analyzer 尿液分析仪 blood sugar(glucose ) analyzer血糖分析仪 test strip 测试条 reagent 试剂 Semi-automatic Biochemical Analyzer半自动生化分析仪 Automatic Blood Cell Analyzer全自动血细胞分析仪 Urine sediments

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 医学英语

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(142) / 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(151) / 评论(0) 分类 英语每日一词

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(149) / 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(114) / 评论(0) 分类 2017年NPR美国国家公共电台5月

托福阅读:在阅读中感受文章风格的不同 1、托福阅读文章来源于哪里? 所有的托福阅读文章都是语言枯燥无味、措词准确精妙、风格独树一帜。因为所有的托福阅读文章都选自美国的大中学校的

发表于:2019-01-18 / 阅读(113) / 评论(0) 分类 托福英语

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(131) / 评论(0) 分类 环球英语 Spotlight

Chapter 1 第一章 The Setting of the Stage 人类历史舞台的形成 We live under the shadow of a gigantic question mark. 人类一直以来都生活在一个巨大问号的阴影下面 Who are we? 我们是谁? Where do we come from? 我们从哪

发表于:2019-01-21 / 阅读(148) / 评论(0) 分类 美国学生人类历史

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(160) / 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(220) / 评论(0) 分类 农业与发展

CANBERRA, Oct. 14 (Xinhua) -- Australian scientists have made the alarming discovery that sea levels have risen more in the past century than at any other comparable period in the past 6,000 years. Researchers from the Australian National University

发表于:2019-02-06 / 阅读(158) / 评论(0) 分类 英语新闻

We wandered through a confusion of departments where people sat at large tables doing intent, 我们漫步穿过一个又一个部门,只见人们坐在大桌子跟前, investigative things with arthropods and palm fronds and boxes of yellowed bo

发表于:2019-02-13 / 阅读(135) / 评论(0) 分类 万物简史
学英语单词
56k
acicular tempered martensite
Alpanseque
amiota (phortica) gigas
anarthria
arsenides
articulated roller
belfitts
bepitying
Bingara
botanicss
Bunaca
byler's disease
Calamostachy
call by reference
canditoxin
cohesive soil structure
coiffured,
comparative need
consenting adult
constant-angle arch dam
cut-ups
cyberbank
cyclic algebra
dalmatica
demimondes
desk jockeys
dothans
droop nose
duration of pollution
earthing contactor
eminently
eufunctional
exponential key exchange
fasciculus corporis restiformis
fulwiler
ganite
geosmin
grannis
gunning down
hanolamine salt
heat exchange tube
hilda groups (of asteroid)
hinrichs
hypo-ovaria
ileanas
Illapel
kept out
kodaloid
kryuchkov
labial and or lingual frenum extension
locking press-button
magnesium selenate
mailsorters
marking awl thicknesser
masering material
maximum mixedness
mesopelagic fish
missile-defense alarm system (midas)
Muscari neglectum
non-codified
O-Bon
obscene language
open fragments
order Diapensiales
parahallucinations
parasitic stress
peritroch
pogromist
potbound
Prenoxadiazin
psycho diagnosis
quality of sounds
real time date processing
reference management software
refocillates
repeated stress test
scattering area ratio
secondary group
sentinel value
sequoiaflavone
snowy picture
squash vines
stacked timber
stopway test
string-oriented instruction
sun-cracking
superior auricular ligament
surface waves
syncillin
tapping by syphone
tin-base babbit metal
tinniment
trail-blazing
transitional cell carcinoma of ureter
under investment
vacant channel
vector, resultant
whisker biscuit
width of rebate
workshop production
Zogodon