冰水混合物

By piecing together the evidence these creatures left behind, we can build a picture of this sub-tropical corner of the continent as it was 13,000 years ago. While most of North America was still in the grip of the Big Freeze, Florida was an ice age

发表于:2018-12-03 / 阅读(148) / 评论(0) 分类 探索与发现2012年

Next stop, the library, Brianna announced from the drivers seat of the ice-cream wagon. She guided Butterscotch across the grass and under the shade of a large old oak tree next to the library building. Why dont you ring the wagon bell, Benny. Benny

发表于:2018-12-06 / 阅读(146) / 评论(0) 分类 94 The Ice Cream Mystery

Blow, wind, blow! And go, mill, go! That the miller may grind his corn; That the baker may take it, And into rolls make it, And send us some hot in the morn.

发表于:2018-12-13 / 阅读(383) / 评论(0) 分类 鹅妈妈童谣

Over a thousand people participated in an event where hot water was thrown into the air in Mohe County, in northeast China's Heilongjiang Province on February 7, 2018. When the hot water met the cold air, it was a spectacular scene.

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 2018CRI中国国际广播电台

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

发表于:2018-12-24 / 阅读(148) / 评论(0) 分类 Scientific American(二)月

This triggered other dramatic changes. As sea levels dropped, so did the inland water tables. Florida's fresh water drained away through the porous limestone rock. Pools dried up and springs diminished. Florida was on the brink of drought. And animal

发表于:2018-12-27 / 阅读(160) / 评论(0) 分类 探索与发现2013年

Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然:室温下把一些冰块放入水中,

发表于:2018-12-28 / 阅读(169) / 评论(0) 分类 初学者听力文摘精选

DEVELOPMENT REPORT - Do-It-Yourself: Preparing Fish for Drying or Smoking By Bob Bowen Broadcast: Monday, November 07, 2005 I'm Steve Ember with the VOA Special English Development Report. Most of the

发表于:2019-01-02 / 阅读(164) / 评论(0) 分类 农业与发展

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(149) / 评论(0) 分类 VOA慢速英语2008年(十一)月

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(144) / 评论(0) 分类 VOA慢速英语2007年(五)月

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(165) / 评论(0) 分类 2010年VOA慢速英语(八)月

AS IT IS 2016-01-10 Warm Winter Gives Ice Fishermen the Cold Shoulder People usually think of fishing as a warm-weather pastime. But some fishers say the activity is best when it is freezing outside. Those people are called ice fishermen. When it get

发表于:2019-01-12 / 阅读(143) / 评论(0) 分类 2016年VOA慢速英语(一)月

Dutch Experiment Grows Vegetables in Sea Water 荷兰人试验在海水中种植蔬菜 Climate change has caused a rise in sea levels. This has increased the amount of salt in fresh water used on coastal farms. As a result farmers are increasingly un

发表于:2019-01-12 / 阅读(114) / 评论(0) 分类 2014年VOA慢速英语(十一)月

Mapping Mountain Range Found Under Antarctic Ice Its late afternoon at the Lamont-Doherty Earth Observatory, where Robin Bell is at work analyzing various images of glaciers and plotting her next expedition to the frozen southern pole. She takes a br

发表于:2019-01-13 / 阅读(169) / 评论(0) 分类 VOA标准英语2012年(一月)

Scientists to Drill Huge Hole in Antarctic Ice Antarctica is the largest reservoir of glacial ice on the planet. An expedition of international scientists is headed to the frozen continent to study why its glaciers are retreating so fast. What they f

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2011年(十一月)

Warm Ocean Accelerating Antarctic Ice Loss The study is the first comprehensive survey of all the Antarctic ice shelves, which are the 1.5 million square kilometers that fringe much of the frozen continent. Lead author Eric Rignot, a professor at the

发表于:2019-01-14 / 阅读(138) / 评论(0) 分类 VOA标准英语2013年(六月)

Lesson 57 Sulphur 第57课 硫 Did you ever have to take a mixture of brimstone and treacle? This mixture has not a pleasant taste, but it is a useful medicine; and if it will do us good, we should not care much whether it has a nice taste or not. 小朋

发表于:2019-01-17 / 阅读(139) / 评论(0) 分类 英国学生科学读本

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(172) / 评论(0) 分类 农业与发展

Voice 1 Thank you for joining us for todays Spotlight program. Im Joshua Leo. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voi

发表于:2019-02-14 / 阅读(214) / 评论(0) 分类 环球英语 Spotlight

Voice 1 Hello. Im Ruby Jones. Voice 2 And Im Marina Santee. 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 Maiba presses a coo

发表于:2019-02-21 / 阅读(155) / 评论(0) 分类 环球英语 Spotlight
学英语单词
A.K.C.
accept an apology
Amazon CloudFront
amortized computation complexity
anacrotism
antiboy
bagazas
barrowloads
basic field
be in the sulks
beseda
boletus pachypus
book scorpion
bottle-opener
built-up stern frame
calibration drift
cardiogenic pulmonary edema
Cassegrainian secondary
cauda-
cheddaring
Cladopus fukienensis
combined acidity
congealation
consensually
contrabassoonist
controlled market
dimethylanthranilate
dining in
dipole molecule
dispensatories
displacement antiferroelectrics
diving dress
dual-aspect
dynamic queue
Enhanced Ethernet
eye shadows
fasciculation
general current funds
gigot
grant-in-aid for agriculture
high strength composite
Imelda
inferior peduncle of thalanmus
joint private enterprise
keyed original trace
kimberleys
Laascaanood
lightweight survey
limnebiology
listening depth
magnetohydrodynamic power generation
medinger
megastigmatrienone
Milky Way Galaxy
mimengoside
minyips
mission dependent interface
multi pole
nascently
Ngato
Noasca
nontourist
oblique popliteal ligament
odontobutis obscura
offer subject to import license
oncomete
open crib
organizational models of decision making
phenol fiber
phytostimulation
porcelain root
process of internal inhibition
relogging
rod block signal
safety of flight addendum
scrape an acquaintance with
semimean axis
serial data set
singing voices
slip-slop
spilder
spiny hair
star elevator
submaxillary
sweeping vehicle
SYMONDS
tauto-
Ten Mile
thin runner
took action
uncovenable
underborne
unnotably
Urnfield culture
vision optical system
voltammetries
weight indicating gage
wild bread fruit
wired tube
working fit
wormete