[地质] 陨石有机质

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(144) / 评论(0) 分类 英语语法 Grammar Girl

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(127) / 评论(0) 分类 VOA2003(下)-农业与经济

Lesson 136 Part Ⅰ Warming-up Exercises Instruction-following: Calculator Operating controls Key Function 1. on■ off ______ _________ 2. 0 - 9 ______ _________ 3. + - ×÷ ______ _________ 4. = ___

发表于:2018-12-27 / 阅读(119) / 评论(0) 分类 英语听力入门 (全四册)

Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic

发表于:2018-12-27 / 阅读(92) / 评论(0) 分类 美式英语正音训练

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(93) / 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(146) / 评论(0) 分类 VOA2003(上)-科技先知

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 Scientific American(十一)月

AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di

发表于:2019-01-11 / 阅读(140) / 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(115) / 评论(0) 分类 英语每日一词

How Does One Find a Meteorite? 如何找到陨石? Editor's Note: The annual Perseid meteor shower will peak in the skies over Earth on the night of Aug. 12-13. Despite a bright moon supermoon, there should still be a good show from this prolific sho

发表于:2019-01-12 / 阅读(94) / 评论(0) 分类 2014年VOA慢速英语(八)月

The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter

发表于:2019-01-14 / 阅读(174) / 评论(0) 分类 VOA标准英语2009年(八月)

DAVID GREENE, HOST: This seems big. Scientists say for the first time they have clear evidence that the chemical building blocks of life exist on Mars. So is this the moment we can say there is life on the red planet? Well, NPR's Joe Palca says not y

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 2018年NPR美国国家公共电台6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(99) / 评论(0) 分类 环球英语 Spotlight

What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

发表于:2019-01-21 / 阅读(188) / 评论(0) 分类 2018年VOA慢速英语(十二)月

Suns Hidden Twin Stalks Planet Earth 太阳隐藏着的小兄弟威胁着地球 [1] When the end of the world comes, we'll know what to blame. Scientists have found compelling evidence that the Sun ha

发表于:2019-01-26 / 阅读(145) / 评论(0) 分类 阅读空间

By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

发表于:2019-01-30 / 阅读(164) / 评论(0) 分类 货币英语

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(180) / 评论(0) 分类 农业与发展

If you thought Russia's recent efforts to prevent rain in the sky from dampening holiday spirits represented the ultimate in scientific stage management, you ain't seen nothing yet. 如果你认为俄罗斯最近为了阻止雨水毁掉节日氛围的努

发表于:2019-02-09 / 阅读(109) / 评论(0) 分类 实用英语

ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

发表于:2019-02-18 / 阅读(115) / 评论(0) 分类 英语新闻

Perseids lead us up to where the money is Where kings had lived Both of us are leaving town when we get old enough We're moving up We are gonna see greater heights Theyll put our names up in neon lights Rolling volcanoes in the night Glowing in the d

发表于:2019-02-25 / 阅读(154) / 评论(0) 分类 音乐咖啡厅
学英语单词
2'-Hydroxyflavanone
a guarantee
academic writing
adiaphoracy
albinotic
all cryotron computer
arbalesters
asia electronic union
ATP-ase
basquenesses
bats in
BMAP
bonitoes
boudinage structure
C/CM3
cavity ice
center station
Christmas cookie
cleaningeye
colourplate
commercial calibration
common crossings
crammings
dangerous region
dip one's finger into something
double V groove
drill platform
dual diversity receiver
dual-duty pump
ductways
edge trimmer
Endiandra hainanensis
enjoy equal rights
excessively high level of phosphorus
filariasis of spermatic cord
flanged edge joint
forma-gelatin
frongfishes
gnophomyia dejecta
gustavus franklin swifts
hatchet work
have much to do with
helium diving
heteropaternal
hexadienic acid
hunnemannias
hushes
ignasi
individual effect
izof
jackstaff
Jevons effect
keep one's voice down
lateral drainage
lindemans
Looking Glass R.
loop checking method
medium-hard steel
micro-examination
microaerphile
Musculus tensor fasciae latae
neobumidin
notoseta
novelettes
nut sacks
Ob' Canyon
penecontemporaneous
Phoebe yaiensis
phone tapper
pleasure ground
pluricultural
PMDA
preparation loss
promener
psychological damage
public intermediate goods
quantity equation ofexchange
recruiting objective
saturable servosystem
search and rescue control center
security kernel approach
senseless
set of homomorphisms
summary of cost of finished products
superacid & superbase
surrounding medium
sympathoinhibition
taxon
teaching and higher education act
three wire cord
three-edge bearing test
tippeth
Toxothrix
trimming knife
Trisanna
turnitin.com
twitchell agent
unavailability of service
upturned sod
Viejo, Cerro
Yenisei-Samoyed
zweite