地面层温度尺度

Researchers have made some interesting discoveries near Antarctica. A team of scientists from the British Antarctic Survey and University of Hamburg have published the first comprehensive inventory of sea-and-land animals, near the tip of the Antarct

发表于:2018-12-03 / 阅读(156) / 评论(0) 分类 自然百科2008年

It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto

发表于:2018-12-03 / 阅读(109) / 评论(0) 分类 英语时差8,16

[00:00.80]When the atmospheric concertrations [00:03.16]of these gases increase, however, [00:05.84]more heat is trapped and the Earth's [00:07.92]temperature rises. [00:10.37]Over the last 100 years, [00:13.01]the global average temperature [00:15.1

发表于:2018-12-13 / 阅读(167) / 评论(0) 分类 北师大版高中英语模块8(选修)

as it is 事实上,实际上 be running out of 用尽,用完 beneath 在之下 capsule 容器 cause ...to 导致 (使处于的结果 ) collapse 坍塌 drill 钻孔 explosive 炸药 keep in touch with 与保持联系 layer 层 lose heart 失望,

发表于:2018-12-17 / 阅读(102) / 评论(0) 分类 新概念英语第二册单词MP3

Healing Elbows And Eyeballs A scratch to the surface of your eye heals quite rapidly, often in a matter of minutes. But a surface scratch on your elbow takes days rather than minutes to heal. The reason for these different rates of healing is directl

发表于:2018-12-27 / 阅读(107) / 评论(0) 分类 英语时差8,16

You could use the balloons not just to go to the edge of the space as we do now,but go all the way over the line, and actually to use balloons or airships to go all the way into space,space travel without rocket.Officially, the atmosphere ends and sp

发表于:2018-12-27 / 阅读(91) / 评论(0) 分类 探索与发现2014年

Our atmosphere is in constant motion; the moving air that causes our weather circulates between the ground and 50,000 feet. It is the sun that drives this movement. When solar energy reaches earth, it heats the surface and atmosphere, but it does so

发表于:2018-12-27 / 阅读(112) / 评论(0) 分类 探索与发现2014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(157) / 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(93) / 评论(0) 分类 英语听力文摘 English Digest

-Im Chris Kaufman and I here with Justin Kasper, who works at Smithsonian, hes an astrophysicist at the Smithsonian. And he's won a project thats gonna launch a probe at the sun, specifically the Solar Wind Electrons Alphas and Protons investigation,

发表于:2019-01-07 / 阅读(153) / 评论(0) 分类 万花筒2013年

Mantle 地幔 We are living on the surface of the Earth. 我们生活在地球表面。 So, what is inside the Earth? 那么,地球内部是什么? There is a mantle under the surface of the Earth. 地球表面以下是地幔。 The mantle takes

发表于:2019-01-10 / 阅读(229) / 评论(0) 分类 与美国小学生一起学英文第7册

Celsius 摄氏度 How cold is it outside? 外边多冷? There are two different temperature scales. 有两种不同的温标可以衡量。 There are celsius and fahrenheit. 它们是摄氏度和华氏度。 Who invented celsius? 谁发明的摄氏度

发表于:2019-01-10 / 阅读(181) / 评论(0) 分类 与美国小学生一起学英文第8册

When summer hits, I dread jogging outside. But a study finds that elephants can be in true danger in the heat. As creatures get bigger, they have smaller surface area to body volumn ratios. Fully-grown Asian eleplants thus pack a lot of mass into a b

发表于:2019-01-20 / 阅读(139) / 评论(0) 分类 Scientific American(五)月

WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n

发表于:2019-02-04 / 阅读(121) / 评论(0) 分类 英语新闻

WASHINGTON, June 23 (Xinhua) -- Last month was the hottest May since record keeping began in 1880, the U.S. National Oceanic and Atmospheric Administration (NOAA) said Monday. 图片1 The combined average temperature over global land and ocean surfac

发表于:2019-02-06 / 阅读(164) / 评论(0) 分类 英语新闻

很多参加gre的考生在做gre写作的时候都没有写提纲的习惯,这是非常不好的。提纲在gre写作当中起到了至关重要的作用。从今天起,我们将对gre issue进行分析,弄清写作思路,这样才能让gre

发表于:2019-02-19 / 阅读(147) / 评论(0) 分类 GRE作文

Why lips go dry? 为什么嘴唇会干呢? Lets start by reviewing the ways in which the surface of our lips is different from the surface of the skin on the rest of our bodies. Basically, our lips are made of the same mucus membrane that coats t

发表于:2019-02-24 / 阅读(142) / 评论(0) 分类 英语听力文摘 English Digest

It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto

发表于:2019-02-24 / 阅读(165) / 评论(0) 分类 英语听力文摘 English Digest

The scale is of course more an idea than an object, an arbitrary measure of the Earth's tremblings based on surface measurements. 当然,里氏震级是一个概念,不是一件东西,是一个根据地面测量的结果武断地得出的地球震

发表于:2019-02-25 / 阅读(135) / 评论(0) 分类 万物简史

Maybe. A change in barometric readings may be part of the reason: Atmospheric pressure often drops right before bad weather sets in; this shift could cause body tissue to expand, which can lead to swelling and pain. 也许吧,气压变化有可能是

发表于:2019-03-06 / 阅读(247) / 评论(0) 分类 英语听力广播—Listening
学英语单词
Alamosa National Wildlife Refuge
alkoxy-
alloy live center
angriest
antimercenary
ape man
arc of triangulation
Arjo
arquette
asset account
Baksheyevo
balancing-test
bamboo products
binary polynomial
bisaesculetin
bonpa
brewings
butt jointed shell course
cactused
canalis semicircularis lateralis
causative verb
ceramic tubular paper capacitor
chip machine
cigarlike
color charge
Compsocladium
countercommercials
dark-ages
deionizater
depleted well
double-stage turbine
drilling machine operator
educational background
equilibrium condensation curve
Espresso roast
Et2O
flexible assembly
flooded suction line
fossa occipitalis cerebellaris
fucatory
giant slalom
gorilla salad
has the advantage of
hawas
hepatic insufficiency
homo-zygotic
ice evaporation level
internal medullary mass
itreatic
ivreas
keep head to
Kunming quasistationary front
le-neveu
liquor pump
loopback test
malleatory chorea
malmrock
mason jar
mega-deal
metapode
microcontact
navigation station
Nemag
northrop fryes
overrooted
pagepluss
palagio
Penn State
pica em
pinnatipartite
plunger packing
Pontal, R.
primary extraction
Public Domain Software
pull in their belt
reducible transformation
Regina Beach
reknits
reporting system
reservoir initial filling
scour criterion
self-absorbed
sensory processing
shore ID
shoreline reconnaissance
split lever end
split-ranging
stubachite-serpentine
t'd off
tabifying
terrace ridge
tetragonal tetartohedral class
tiemannite
titrimetric-extraction method
track laying air cushion vehicle
trapezocracy
trigetour
Trip-Anisyl-Chloroethylene
unvacated
unworthies
viscous type damper
wet adiabatic lapse rate