吸水层

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(496) / 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(156) / 评论(0) 分类 Scientific American(十二)月

A: Ashley, what a great dinner party! B:Thank you, Joe. What would you like to drink with your meal? I can offer you wine, mango juice, or water. A: Just water would be fine. B: Excellent choice. Can I dish you up some chicken? A:Yes, the chicken loo

发表于:2018-12-03 / 阅读(193) / 评论(0) 分类 社交-Socializing

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(134) / 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(85) / 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(114) / 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(112) / 评论(0) 分类 Scientific American(四)月

A: Ashley, what a great dinner party! B: Thank you, Joe. What would you like to drink with your meal? I can offer you wine, mango juice, or water. A: Just water would be fine. B: Excellent choice. Can I dish you up some chicken? A: Yes, the chicken l

发表于:2018-12-25 / 阅读(107) / 评论(0) 分类 社交英语

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(108) / 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(100) / 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(150) / 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(87) / 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(200) / 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(150) / 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(151) / 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(158) / 评论(0) 分类 英语时差8,16

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(156) / 评论(0) 分类 阅读空间

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(100) / 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(141) / 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(176) / 评论(0) 分类 英语时差8,16
学英语单词
active orientation
adenopharyngitis
agaune
all-aluminum
annular fuel compact section
aotocatalyst
apocynum cannabinums
artemotil
bench mat
Braeriach
Broyden's 1965 method
butyl oxide
carpholite
catodont
Cinderella girl
civil offence
computer reliability
conus moreleti
crown clades
detrital cone
diffusion-controlled step
dundubhi
emergency ration storeroom
Emsdorf
enclaves
evasion of registration
ever-large
evermind
excellent growing conditions
factor level
fakes out
fertilization stasis (boyes & walker 1954)
fireflaught
folded chain model
grew out of
heat shunt
hee-hawing
interfacial polycondensation
irreplaceably
isovist
kaffir cat
Kenn, River
keraphyllocele
kunal
linear ordering
litchi chinenses
local refraction
manor
marmala-water
melorra
Muramvya
new window
nicotinamide methyltransferase
nitrogranulogen
no better than
number of cycles per second
oblique camera
odso
oldwives
ossipite
Ouled Mahmoud
out of your league
overshot stacker
oversprings
oxeladin
paste up
plant-likest
process by which plants make sugar
production standard
QDA, q.d.a.
reactance regulator
readiness posture
reeger
ricanula sublimata
Ripperologist
Roscoe.
salingopalatine
save energy
scenario manager
Schemacha
seat spacing
secondary carcinoma of mammary gland
shipping specification
specialized company
spermarium
submerged dyke
superdip
t.stewart
tensor light
test organism
travel of contact finger
truebloods
TTBWR
two-box-type body
unfeignedly
Unispiro
visual sensations
vondelle
water-treatments
wave toward
wirescape
Yurika