沥青薄膜防水层

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(190) / 评论(0) 分类 初学者听力文摘精选

ESL Podcast 1183 Air and Water Pollution Julia: Stop poisoning us! Stop poisoning us! Robert: Why are you picketing in front of this factory? Julia: This factory is polluting our air and water. Theyre responsible for contaminating the environment wit

发表于:2018-12-04 / 阅读(185) / 评论(0) 分类 2016年ESL之日常生活

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(197) / 评论(0) 分类 VOA标准英语2016年(三月)

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(128) / 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(163) / 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(207) / 评论(0) 分类 国家地理2008年

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(140) / 评论(0) 分类 2017年VOA慢速英语(五)月

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(175) / 评论(0) 分类 Scientific American(一)月

考试日期: 2013 年 3 月 2 日 Reading Passage 1 Title: New Energy in USA Question types: True/False/Not Given; Flow Chart; Short Answer Questions 文章内容回顾 美国的一种新能源,关于从玉米中提取乙醇为燃料。 20060708旧

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 雅思机经

Todd: Ah, so Alan, you know, you were a baker so can you explain to the listeners: how do you bake bread? Alan: Well, you need, to make your basic white bread, white pan bread we call it, you need flour, yeast, sugar, shortening, salt, and water, so

发表于:2019-01-10 / 阅读(166) / 评论(0) 分类 原版英语对话1000个

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(179) / 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(129) / 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(159) / 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(147) / 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(144) / 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(193) / 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(182) / 评论(0) 分类 英语新闻

Todd: Ah, so Alan, you know, you were a baker so can you explain to the listeners: how do you bake bread? Alan: Well, you need, to make your basic white bread, white pan bread we call it, you need flour, yeast, sugar, shortening, salt, and water, so

发表于:2019-02-17 / 阅读(158) / 评论(0) 分类 英语访谈对话

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(153) / 评论(0) 分类 万物简史

Learn Why 'The Proof Is in the Pudding' Now, the VOA Learning English program Words and Their Stories. Each week we teach expressions often used in American English. We explain how to use them and sometimes where they come from. But do not take my wo

发表于:2019-02-25 / 阅读(151) / 评论(0) 分类 2019年VOA慢速英语(二)月
学英语单词
aberred
aeroradiometric survey
alternate key stroke
Astanga yoga
aurous
autotelephone system
base load boiler
be on the square
be reduced to beggary
biblists
brake shoe gauge
bronze-red
cannelured
carret
cd writer/burner
close the door upon
coaxial-line frequency meter
compiler default condition
conchectomy
constant sum game
counterfeiting currency
crossed cylinder
cylinder sleeve puller
dabuyin pill
El Vallecillo
emissions
endolymphatic space
FastDisk
frame-mounted motor
fresh water freeboard
frost heaving force
genus papriluss
ground stake
hai
hartsfield-jackson
heart muscle
hellier
high temperature side
hold down rollers
hydrostatic fish tag
hygrohypnum montanum (wils)broth
hypothec bank
immuneron
incurrent
Joe Schmo
Josephinism
karyokinetic division
klesaris
kratzer
KRE
lairless
Ligamentum transversum scapulae inferius
logorrh(o)eic
macrocythaemia
master-level
medium range economic outlook
metering section
molecular magnets
non-orthogonal data
off-hire clause
Ophemert
osmometers
pancreat-
parapinopsin
Parasenecio tripteris
pettishly
physical evaporation
poroconidia
postmetamorphic deformation
power line carrier telephone terminal
pressure-feed gasoline
projectivity
Raspberry Pi
recovery fate
rejection of abandonment
repair according to condition
request
residual supply index
retemper
rhegmatocyte
Schwaben
shaft type sinter cooler
sheet cavity
skewse
spilt the beans
spooler output task group
superwide array
Syzygium szemaoense
tackroom
Tartuffian
tire-woman
Tower Junction
trialless
Tsuchiya's test
type synthesis
UK marginal tax rate
unjustifiable deviation
unmuzzle
wind-stone
work schedule
world oceanographic data display
ybite