沥青薄膜防水

Topics: Ask an American La Brea Tar Pits; until versus till/til versus by; to restore versus to recover; CCU (coronary care unit) Words: fossil to preserve stuck asphalt flypaper to succumb to torn apart to wander predator scavenger climate precautio

发表于:2018-11-30 / 阅读(135) / 评论(0) 分类 美语听力 English Cafe

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2018-12-03 / 阅读(109) / 评论(0) 分类 初学者听力文摘精选

新型滤水技术或能带来价格合理清洁饮用水Developing the perfect water filter is Baoxia Mi's goal. Growing up in China, she learned the value of clean drinking water early on. Now at the University of California, Berkeley, the environ

发表于:2018-12-08 / 阅读(146) / 评论(0) 分类 VOA标准英语2016年(三月)

Take a closer look at how much worse it can be for people living in cities. 80 million Americans live in the cities with populations of more than 100,000 and it's common for the downtown areas of thos

发表于:2018-12-11 / 阅读(134) / 评论(0) 分类 万花筒2006年

Fish do drink water, but how they consume it depends on where they live. Water gets into a fishs body through osmosis, the process in which water diffuses from a higher to a lower concentration. 鱼儿确实喝水,但它们怎样喝水却取决于其

发表于:2018-12-28 / 阅读(71) / 评论(0) 分类 初学者听力文摘精选

In China, saltiness is deemed as the most important flavor. 在中国的烹饪辞典里盐是百味之首 Every day except for rainy ones,Liu Yingwu is busy working in the brine pan. 不下雨的日子里,阿刘每天都要在盐田里忙碌 You ha

发表于:2018-12-28 / 阅读(121) / 评论(0) 分类 舌尖上的中国第一季

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

发表于:2018-12-30 / 阅读(152) / 评论(0) 分类 国家地理2008年

EXPLORATIONS - A Sticky Black Hole of Ancient Death, Right in the Middle of Los AngelesBy Paul Thompson Broadcast: Wednesday, April 26, 2006 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: And th

发表于:2019-01-02 / 阅读(164) / 评论(0) 分类 2006年慢速英语(四)月

Scientists and designers in London have found a possible solution to the problem of plastic bottle waste. 英国伦敦的科学家和设计师发现一个可以解决塑料瓶垃圾问题的方法。 The group at Skipping Rocks Lab has made a water b

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 2017年VOA慢速英语(五)月

EXPLORATIONS - La Brea Tar Pits By Paul Thompson Broadcast: Wednesday, March 10, 2004 (THEME) VOICE ONE: This is Faith Lapidus. VOICE TWO: And this is Steve Ember with EXPLORATIONS in VOA Special Engl

发表于:2019-01-06 / 阅读(148) / 评论(0) 分类 Explorations

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. When we think about how to represent sound visually, most of us probably picture those volume-dependent sine waves. But thats not how John Stuart Reid

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 Scientific American(一)月

VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about an unusual scientific research area in the United States. It is filled with the remains of ancient animals. This unusual pl

发表于:2019-01-11 / 阅读(159) / 评论(0) 分类 VOA慢速英语2007年(十)月

New Smart Toilet to Prevent Water Pollution in Disaster Areas 灾区设新式智能卫生间防止水污染 WASHINGTON The destruction of sanitary systems by war or natural disasters can aggravate the initial tragedy, causing disease and prolonged ri

发表于:2019-01-14 / 阅读(137) / 评论(0) 分类 VOA标准英语2014年(八月)

New Smart Toilet to Prevent Water Pollution in Disaster Areas 新型智能马桶在灾区防止水污染 WASHINGTONThe destruction of sanitary systems by war or natural disasters can aggravate the initial tragedy, causing disease and prolonged risk o

发表于:2019-01-14 / 阅读(85) / 评论(0) 分类 VOA标准英语2014年(八月)

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after year

发表于:2019-01-22 / 阅读(107) / 评论(0) 分类 自然百科2008年

The snail appears to release chemicals that paralyse its victim. The goatfish seems powerless to escape as it's swallowed alive. Moments later, a venomous barb inside the snail puts the fish out of its misery. In a place where even seashells are dead

发表于:2019-01-22 / 阅读(89) / 评论(0) 分类 自然百科2014年

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2019-01-26 / 阅读(99) / 评论(0) 分类 英语听力文摘 English Digest

By Phuong Tran Praia, Cape Verde 09 June 2007 Off the coast of West Africa, transport officials in the island nation of Cape Verde have begun a road improvement program. They say colonial-era cobblestone roads do not make much sense anymore, and are,

发表于:2019-02-03 / 阅读(149) / 评论(0) 分类 2007年VOA标准英语(六月)

Researchers in Sydney are leading a new international effort to make desalination more environmentally friendly. Current techniques tend to use excessive amounts of energy or are heavily reliant on chemicals. The University of Technology in Sydney is

发表于:2019-02-06 / 阅读(123) / 评论(0) 分类 英语新闻

The hydrogen atoms cling fiercely to their oxygen host, but also make casual bonds with other water molecules. 氢原子死死地抓住其主子氧原子不放,而且与别的水分子的黏合也很随便。 The nature of a water molecule means th

发表于:2019-02-25 / 阅读(107) / 评论(0) 分类 万物简史
学英语单词
3-methoxybutanol
abhurite
abnormality of secretion of glucagon
acarphobia
agreement on import licensing procedure
aluminium-air cell
animadversor
Aniselytron
archeostronomy
associated homogeneous differential
baron hugh caswall tremenheere dowdings
basis patellae
benfields
Brussels ground
bulk goods
Bunyan bag
cabinet rasps
calibration battery
casing catcher
characteristics of grain and oil
Chayvo, Zaliv
chironomidaes
climatic prediction
clutch release fork return spring
cohortatively
Collingwood
competition law
Corydalis pinnatibracteata
dissecting aneurysm
dosimeter glass
Duayaw-Nkwanta
dunse
enter-deux
Etulos
exposure weights
flash one's a look at
forest goats
front body shell
Fusignano
gang process chart
global climate variation
gotten along
gradual approach
grease-trap grease
hanging cursor position
hide cutting
highly active waste(s)
ink plotter
Ipomoea pes-caprae
isocyano-group
kinetoscope
komotini (gumuljina)
La Hien
Lateral communications.
long - keeping milk
lusts
marketing price policy
matched filiter
measuring thermistor
memory plane
Mendez-Nuňez
moaner
multiplex driver
nondeployment
Normes Francaises
nuttierer
on-line system
opu
Paris Rhizome
pathomycete
perikyma
pianoists
prereleases
process-specific working space
program end
PSD (power spectral density)
quanti
quintinite
registered options trader
Roegneria schrenkiana
rotella
scummily
second leaving
shingle roof covering
ship assembly yard
simulation of manned system
slide surface
sole cutting edge countersink
special court-martial
stackingfault
stonefishes
subjective response
sum coincidence
symmetrical amplifier
T-1824
tooth lock washer
training planning information document
trimethyl-glycine
UltraCyclopenthiazide
Vognsild
world commerce
Zimm plot