层间水

CHAPTER ONE [00:44.25]READING [00:45.74]Page 2 and 3 [00:48.43]THE YOUNG GREEN CONSUMER GUIDE [00:51.51]Review by Tony Ma [00:54.62]This book says that our world is in danger [00:59.32]It is vital that we do something to save the earth [01:04.21]Firs

发表于:2018-12-01 / 阅读(566) / 评论(0) 分类 上海牛津初中英语九年级

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(215) / 评论(0) 分类 Scientific American(十二)月

EXPLORATIONS - Blue Holes: Some of the Least Explored Areas on Earth BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands s

发表于:2018-12-07 / 阅读(182) / 评论(0) 分类 2011年VOA慢速英语(十一)月

Lesson 91 Milk And Its Uses 第91课 牛奶及用途 Every child likes to drink new milk. 每个孩子都喜欢喝鲜牛奶。 How pleasant it smells and how sweet it tastes! 那香浓的味道, 甜美的滋味是多么诱人! Do you not want to kn

发表于:2018-12-18 / 阅读(116) / 评论(0) 分类 英国学生科学读本

联合国环境规划署将每年的6月5日确定为世界环境日,希望通过世界环境日主题让人类认识到可持续发展和公平发展的重要性,最终使全人类拥有一个安全而繁荣的未来。 2006年世界环境日庆典

发表于:2018-12-18 / 阅读(150) / 评论(0) 分类 英文语法词汇

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Take a fire antdon't forget your gloves. Toss it in water, and it'll eventually drown. But throw a group of fire ants into the water, come back the nex

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(四)月

The divers started in the ocean, but they are now within solid bedrock, 150 feet beneath someone's living room. They are now swimming in the water supply for the town above. Here they find, as they had hoped, life in the pitch darkness. These are hyd

发表于:2018-12-26 / 阅读(156) / 评论(0) 分类 自然百科2009年

If you've been outside before a rainfall in the spring, you might have noticed a particularly fresh or sweet smell that seeps into the air a few minutes before the first drops begin to fall. If you're familiar with this smell, it's a great way to pre

发表于:2018-12-27 / 阅读(143) / 评论(0) 分类 英语时差8,16

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(202) / 评论(0) 分类 初学者听力文摘精选

How Does Ice Cool Drinks? 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? Heat is a measure of molecular activity: the faster a

发表于:2018-12-31 / 阅读(128) / 评论(0) 分类 英语听力文摘 English Digest

Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the

发表于:2019-01-02 / 阅读(254) / 评论(0) 分类 60秒科学

BARBARA KLEIN: Im Barbara Klein. STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. A blue hole is a flooded sea cave with a hole that opens up at the lands surface. These cave systems form in carbonate rock, often on islands.

发表于:2019-01-12 / 阅读(187) / 评论(0) 分类 2010年VOA慢速英语(十一)月

Whales, seals and walruses stay warm in chilly water because they have a thick layer of blubber. We humans rely on something like blubberneoprene rubber wet suitsto spend time in cold water. But the thick versions for really icy water are heavy and u

发表于:2019-01-17 / 阅读(191) / 评论(0) 分类 2016年Scientific American(十)月

Don: Yael, I'm going to take some vacation time so I can visit Chicago before it sinks and disappears. I mean, I'd like to see the Sears Tower and eat some deep-dish pizza before it goes. Yael: Relax, Don. Although Chicago is sinking, we're only talk

发表于:2019-01-22 / 阅读(221) / 评论(0) 分类 英语时差8,16

ROME, Dec. 10 (Xinhua) -- Inter Milan chalked up a crucial 2-0 win over Fiorentina at home on Saturday to lift themselves from Serie A's relegation zone. Former Fiorentina striker Giampaolo Pazzini scored the opener four minutes before the break, wit

发表于:2019-02-05 / 阅读(204) / 评论(0) 分类 英语新闻

Everyone who has eaten instant noodles before knows how it looks like. It is very easy to cook it instantly by putting the noodles into the boiling water and add in those MSG packets, together with your other ingredients like eggs or vegetables. Howe

发表于:2019-02-05 / 阅读(190) / 评论(0) 分类 阅读空间

ROME, Nov. 2 (Xinhua) -- Inter chalked up their first home win in the Champions League this season as they beat Lille 2-1 on Wednesday. Walter Samuel and Diego Milito scored the goals for the hosts, and Lille drew one back in the late time. Inter alm

发表于:2019-02-18 / 阅读(233) / 评论(0) 分类 英语新闻

GIRL:Wow.You seriously spend a lot of time alone. BOY:What?So heres how it works.Water goes in the top,and food comes out the bottom. GIRL:When you shot it into the stratosphere( ['strtə,sfɪə]同温层) you figure it would induce( [ɪn'djuː

发表于:2019-02-23 / 阅读(132) / 评论(0) 分类 跟着美剧练发音

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

发表于:2019-03-04 / 阅读(171) / 评论(0) 分类 环球英语 Spotlight

Heres How..In a lake, cold water sinks to the bottom, forming a distinct layer underneath the warmer water on top. Wind blows across the top layer. This causes more of that warm layer to build up on one end of the lake, pushing the cold layer underne

发表于:2019-03-06 / 阅读(210) / 评论(0) 分类 英语时差8,16
学英语单词
air-dried soil
all buyers
amino acid antagonism
at the two and four nucleate stages
auxiliary stair
backslash
baleys
bashing
biocrusts
birdsfeet
breed distrust
broad gauges
brusselators
by yea and no
cercospora hydrangeae
cetostearyl 2-ethyl hexanoate
charge room
cheered on
clutch housing cover
communication and radar facilities
continuous (working) kiln
continuous fluid-bed reduction
contribution value
control of merchandise
database buffer management
decimal operation
declined urban area
degraded copy
deviation in roundness
ecology of salt marsh
ero
feeblemindednesses
fiscal subsidies
flag smut fungus
flofreeze
fulgides
HDFS
hoist frame
Homoradin
huswifery
in orbit with
infensive
innarrowed
inter-record gap
interlinearize
internal consistency
intrinsic mobility
isotope exchange reaction
konz
Kornilovo
lambdoidal crest (or lambdoidal ridge)
large-bore engine
latac
laterostigmatal
lattorfian age
Levoca
machilus chinensis (champ. ex benth.) hemsl.
mae odori (japan)
major semi axis
methanonaphthalene
nephrograms
noninhalers
Nueva Armenia
numismatology
Oesterreicher-Turner
overjoyed
oxidation current
paper low reset
parasitophobia
parchments
pfeiffers
picofarad
precision counter
pubescenin
quarterages
regelates
relexicalize
Repki
rhomboides
richellite
rummily
sallyport
self-medication
semimodules
setting value
smuggle goods into a port
staminac
steel reinforcement
storage water
subradius
sudoxicam
surface depletion method
telephone exchanges
thalifinine
thermal losses
thread holder
trichomalacia
Ts'eri'ā
tunnel in rock
uncompressible
unregretting
vicinity of point