水面张力

40 Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ni

发表于:2018-11-28 / 阅读(406) / 评论(0) 分类 新概念优美背诵短文50篇

It was worse right back there where it's super thick, man. I've never seen anything like it. It just rolled in on. Its quite unreal. Oh man, look at that streak. Look at the holes off of those. It's thick, thick, thick. Like mud. That's unreal. This

发表于:2018-12-02 / 阅读(136) / 评论(0) 分类 CNN2010年(五)月

Water on the Moon Studies in the journal Science report that instruments on three different spacecraft have found evidence for widespread trace amounts of water on the moon. Karen Hopkin reports For all you space buffs who like to keep track of wher

发表于:2018-12-07 / 阅读(160) / 评论(0) 分类 60秒科学

[00:00.00]Unit 4 Feeling sick [00:04.78]A These people are not feeling well. [00:10.95]Listen,say and act. [00:14.89]1 What's the matter? [00:19.75]I have a cold. [00:23.90]You should take some medicine. [00:28.06]Listen [00:30.69]take some medicine

发表于:2018-12-13 / 阅读(115) / 评论(0) 分类 新路径小学英语三年级上册(一起)

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. U

发表于:2018-12-15 / 阅读(283) / 评论(0) 分类 新东方背诵文选

Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the nineteenth century, the moveme

发表于:2018-12-30 / 阅读(174) / 评论(0) 分类 考研背诵50篇

Even as adults we still enjoy blowing bubbles, dont we? If youve ever wondered why blowing on a thin film of soapy water creates bubbles, this is your lucky day. All liquids have a property called surface tension. Take water, for example. Water molec

发表于:2018-12-31 / 阅读(121) / 评论(0) 分类 英语听力文摘 English Digest

EDUCATION REPORT - Ideas for Teaching Young Children By Jerilyn Watson Broadcast: Thursday, January 29, 2004 This is Steve Ember with the VOA Special English Education Report. Experts say students are

发表于:2019-01-04 / 阅读(112) / 评论(0) 分类 教育与新闻

Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete

发表于:2019-01-08 / 阅读(149) / 评论(0) 分类 英语小短文

Last October, a NASA rocket, traveling at a speed of 9,000 kilometers per hour, smashed into a dark crater on the moon's south pole. Upon impact, the Centaur rocket kicked up a cloud of debris and elements from the moon's surface, creating a so-calle

发表于:2019-01-14 / 阅读(112) / 评论(0) 分类 VOA标准英语2010年(十)月

Water 'found on Mars' 火星上发现有水 The brine seepage is believed to be in Candor Chasm 咸水渗出物应该是在Candor Chasm There is currently water on the surface of Mars, Nasa scientists believe. The evidence is contained in pictures ta

发表于:2019-01-30 / 阅读(135) / 评论(0) 分类 双语有声阅读

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(168) / 评论(0) 分类 VOA标准英语2010年(六)月

DEVELOPMENT REPORT - Need to Dig a Well? Start HereBy Gary Garriott Broadcast: Monday, May 15, 2006 This is Shep O'Neal with the VOA Special English Development Report. There are several low-cost ways

发表于:2019-01-30 / 阅读(159) / 评论(0) 分类 2006年慢速英语(五)月

This is the VOA Special English Agriculture Report. We have talked about growing carrots and beets. This week, we move from root vegetables to a leafy vegetable. Cabbage is related to mustard, turnips, kale and collards. The leaves that form a head o

发表于:2019-01-31 / 阅读(248) / 评论(0) 分类 2010年慢速英语(三)月

Science and technology 科学技术 The Arctic 北极海域 Tequila sunset 龙舌兰日落 Global warming may make the northernmost ocean less productive, not more so 全球变暖对北极海域生产力的负面影响 ON SEPTEMBER 16th 2012, at the

发表于:2019-02-05 / 阅读(189) / 评论(0) 分类 经济学人科技系列

The Water Resources Agency (WRA) of Taiwan has called on people to save water as a way to reduce carbon emissions. The WRA pointed out that the low price of tap water in Taiwan, which has not increased in 14 years, has led people to waste the valuabl

发表于:2019-02-16 / 阅读(120) / 评论(0) 分类 英语听力文摘 English Digest

Cohesion-tension Theory Atmospheric pressure can support a column of water up to 10 meters high. But plants can move water much higher; the sequoia tree can pump water to its very top more than 100 meters above the ground. Until the end of the ninete

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 双语有声阅读

Science and technology 科学技术 The Arctic 北极 Tequila sunset 龙舌兰日落 Global warming may make the northernmost ocean less productive, not more so 全球变暖可能降低最北部海域的活力,而不是使之更有生命力。 ON S

发表于:2019-02-18 / 阅读(141) / 评论(0) 分类 经济学人科技系列

如何在托福阅读中提取句子的主干?这样即抓住了阅读的重点,也节省了阅读时间。有些同学对于分析长难句并不是那么敏感,看到句子简化题可能就会有晕头转向的感觉,在这里给大家讲解一

发表于:2019-02-18 / 阅读(117) / 评论(0) 分类 托福英语

On our last program, we learned how water bugs manage to stand on the surface of a pond: The pads of their feet resist contact with the water just like wax paper does. This allows the bug to rest on the thin film of surface tension that naturally cov

发表于:2019-02-23 / 阅读(137) / 评论(0) 分类 英语时差8,16
学英语单词
a square yard
antixerophthalmic factor
Aristotelian
artificial puer
astropolitics
auricular sinuses
azilex
back-flame boiler
belief systems
bisalevan
blue streak
button mangrove
caulo-
CEDDA
CGNs
chat with
cinput
cistern of Sylvius
classified contract
corven
damp proof machine
dimension of linear space
doggets
Doppler generator test set
double nozzled rocket
draw the color line
drop forged steel bench vice
drum breaker starter
duck fart
emergency blow manifold
external pulsed system
fine coupling
garlic knot
Geoprobe
gonocalyx
gravel pavement
green linnet
Halwell
harsh arc
hearth jacket
high duty silica brick
hildebrandiana
I'm a girl
insect repellents
inside enamel
instantaneous electric detonator
Invermoriston
isobrachial(sorokin 1929)
legal liability insurance policy
light source colo(u)r
lirubel
local equilibrium
logical system configuration
loose baler
make up for
man-riding conductor
mandriarch
Mayniacs
mbco
mission specialist
Mycoplasmatales
neuromusculature
nucleus (pl. nuclei)
off-bit
olwen
optimal transfer function
optimum use of resources
Oriffice
outen the light
padding character
Papaver rhoeas L.
partner's drawing (account)
perforated fins
pinkings
plane
podocarpus nivaliss
politicone
Primula youngeriana
prolacta
radio goniometry
red herrings
registered proprietor
reversing stud switch
rubaiyats
Selfil
semantic browser
semigel
skeleton in ones closet
space superiority
spheroidal jointing
t-straps
Tetrany-chus viennensis Zacher
toddle along
track-side telephone
transportation work
tribunitian
undomiciled
vacuum diaphragm capsule
venture capital firms
veyrats
willow ptarmigans
xfm