[溼空气]水面饱和水气压

If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic salinity. One of these is the

发表于:2018-11-28 / 阅读(315) / 评论(0) 分类 新概念优美背诵短文50篇

Conditions on Mars were so harsh that it was hard to imagine any life surviving there. The idea of sophisticated aliens was wiped out. We know that conditions on Mars today are not very good for life.

发表于:2018-12-07 / 阅读(116) / 评论(0) 分类 火星生命

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(86) / 评论(0) 分类 英语时差8,16

On airplanes, cabin pressure changes during takeoff and landing to help passengers breathe easy at high altitudes. These changes in air pressure may make adults ears feel a little funny, prompting a few yawns to equalize the pressure. But for babies,

发表于:2018-12-28 / 阅读(108) / 评论(0) 分类 初学者听力文摘精选

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 Scientific American(五)月

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 Scientific American(十二)月

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 英语小短文

In contrast, Jupiter and Saturn are all atmosphere. Unlike Earth, Jupiter doesnt really have a solid surface that you could stand on and then have your head up in the atmosphere looking at the clouds. Its just a giant, giant gas ball. Only one other

发表于:2019-01-23 / 阅读(88) / 评论(0) 分类 探索与发现2014年

科学家估计,如果不减少二氧化碳排放,2100年地球平均气温将至少上升4摄氏度,到2200年会上升8摄氏度,无疑是地球灾难性的噩梦。 此前有科学家用气候模型分析称,全球气温将受二氧化碳排

发表于:2019-02-06 / 阅读(88) / 评论(0) 分类 阅读空间

BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency

发表于:2019-02-09 / 阅读(125) / 评论(0) 分类 英语新闻

Man, born of woman, is of a few days, and full of trouble; 人从呱呱落地,只是短暂的几天,麻烦不断; He cometh forth as a flower, and is cut down; 他初如鲜花哪堪折; He fleeth also as a shadow, 像影子一样循去, And

发表于:2019-02-11 / 阅读(96) / 评论(0) 分类 美国语文第六册

China succeeded in its first 300-meter saturation dive on Sunday morning as three divers returned safe and sound from deep water to the living chamber on their ship. The diving bell actually reached a depth of 313.5 meters under the South China Sea,

发表于:2019-02-14 / 阅读(149) / 评论(0) 分类 2014CRI中国国际广播电台

Iran's President Mahmoud Ahmadinejad says he is ready to have direct talks with the United States, but only based on justice and respect, not on pressure and imposition. He made the comments on Sunday while addressing a rally marking the anniversary

发表于:2019-02-14 / 阅读(110) / 评论(0) 分类 英闻天下

Let'stake a look at the satellite. Moist onshore winds feeding a weak trough over Eastern New South Wales and Queenslandare triggeringisolated showers, a trough and low are bringing showersto SA, Victoria and northern Tasmania. And Northwesterly wind

发表于:2019-02-14 / 阅读(193) / 评论(0) 分类 澳洲ABC新闻快递2014年

【英文原文】 If I were to stop drinking water right now, how long could I live? There are several different factors involved here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person c

发表于:2019-02-16 / 阅读(92) / 评论(0) 分类 英语听力广播—Listening

The Invisible Hand 无形的力量 A: What's going on? B: Check out the setup , Yaoyao. A: A stove, an empty aluminum soda can, kitchen tongs , and a saucepan . Are you experimenting with a new recipe ? B:No, i'm experimenting with air pressure. A:Ho

发表于:2019-02-16 / 阅读(100) / 评论(0) 分类 英语听力文摘 English Digest

What the Student Say in Science Classes 自然科学课上学生们都说了什么 The following quotations were gleaned from classroom discussions in 5th and 6th grade science classes. 下面的这些话都是从五六年级的自然科学课的课堂

发表于:2019-02-17 / 阅读(118) / 评论(0) 分类 英语小达人

Dehydration 脱水 If I were to stop drinking water right now, how long could I live? There are different factors involve d here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person could di

发表于:2019-02-24 / 阅读(122) / 评论(0) 分类 英语听力文摘 English Digest

There are 320 million cubic miles of water on Earth and that is all we're ever going to get. 地球上有13亿立方公里水,这是全部。 The system is closed: practically speaking, nothing can be added or subtracted. 系统已经关闭,说得明

发表于:2019-02-25 / 阅读(121) / 评论(0) 分类 万物简史

The Salinity of Ocean Waters If the salinity of ocean waters is analyzed, it is found to vary only slightly from place to place. Nevertheless, some of these small changes are important. There are three basic processes that cause a change in oceanic s

发表于:2019-02-25 / 阅读(174) / 评论(0) 分类 双语有声阅读
学英语单词
additional commitment
antegrade pyelography
ARA-EU
arachniodes aristata
at short intervals
Blanchetown
blind borehole process
bring in something
British unit of refrigeration
brush-decoration
Bukhtarminskoye Vdkh.
Bychawa
cat cafes
cegas
chargeing density
chemopallidectomies
chip at
chromoproteins
CIGS
clip cut-off
countersink depth
crenarchaea
current limited thermostat
design horse power
difficult act to follow
diminished fourth
dye paste
ejecting
engirdle
ephedrine sulfate
essential service water
expulsion of toxin
feuillade
filing date
Fissipeda
flower beds
foliosine
Fort Loudon
golgen
great-circle bearing
huelin
hysteric amaurosis
idyls
international opportunity fund
intra-imperial
Italian tile
kotos
light portable conveyer
locked propeller test
make it or break it
miagite
mkh
moneygram
mouse-eared bats
nested recursion
neurologic examination
no-tillage system
numeric variable
numerical computer
ofwalked
output subroutine
Panshanger Airport
paravertebral nerve ganglion block
passing angle
payroll clerk
plakas
price ruling today
provisive
pulsed guidance beam
pumice cone
quickest-and-dirtiest
rail cracks
rami cutaneus palmaris
read line address generator
regular exercise
ring frame
road warrior
roll steering
rustproof graduated drinking vessel
sabras
sanhedrinist
self-breakup unit
semi sintered condition
showering
Soldier Pond
soya-bean
space-based weapon platform
speak to buncombe
summer cypress
swan fuse
tarine
tells off
Thyone
Tigbauan
tight fracture
towed boom
tube pass partition
ventriculi cordis
villagisations
voluntary wholesaler
wasnaet
water(cooled)jacket