[环境] 湖水采样

A rich fishery in Southeast Asia is at risk because of overfishing, pollution and hydroelectric dams. The Tonle Sap is a freshwater lake in the middle of Cambodia. The lake shrinks and expands by thousands of kilometers, depending on the season. The

发表于:2018-12-07 / 阅读(171) / 评论(0) 分类 2017年VOA慢速英语(十一)月

[00:01.59]UNIT 3 [00:07.61]Lesson 12 [00:13.52]Exercise 1.2 [00:16.30]The Disappearing Sea [00:18.87]The Aral Sea is a large lake in Central Asia. [00:23.46]There are two large rivers [00:25.45]that give water to the lake. [00:27.98]Around 1960, farm

发表于:2018-12-29 / 阅读(292) / 评论(0) 分类 北师大版初中英语八年级上

Chinese soldiers used anti-tank weapons to blast away rocks and mud, holding back waters in an earthquake-formed lake that threatens more than 1 million people living downstream. Soldiers fired at rocks to dislodge enough debris to speed the drainag

发表于:2018-12-30 / 阅读(351) / 评论(0) 分类 国家地理2008年

The ducks and geese at a lake in Londons Hyde Park have a new neighbor: a floating structure of 7,506 barrels in the colors of red, mauve and blue. The floating structure, called The London Mastaba, is the latest creation of Christo. He is the Bulgar

发表于:2019-01-03 / 阅读(181) / 评论(0) 分类 2018年VOA慢速英语(六)月

Relatives of the more than 190 people missing after a boat sank on Lake Toba in Sumatra have asked government officials for a bigger search. The families also criticized the Indonesian government for ignoring unsafe conditions on passenger boats. Dis

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 2018年VOA慢速英语(六)月

Russians Reach Ancient Antarctic Lake Evidence of a giant lake beneath the Antarctic ice has been gathering since the 1970s. Suspicions were first aroused after a team of Russians drilled deep into the ice to get a climate-record core sample. Accordi

发表于:2019-01-14 / 阅读(179) / 评论(0) 分类 VOA标准英语2012年(二月)

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(160) / 评论(0) 分类 VOA标准英语2012年(十月)

Tourism, Development Threaten Burmese Lake Inle Lake is considered a jewel of Burma, where migrating birds, rare animal species and a handful of Burmese tribes share space around the 110 square kilometer freshwater reservoir. Now, a steady stream of

发表于:2019-01-14 / 阅读(148) / 评论(0) 分类 VOA标准英语2013年(四月)

Through the years, pollution on the Dianchi Lake, a large reservoir in southwest China's Yunnan's capital, Kunming, has created significant environmental problems, something the local government has been taking steps to try to clean up. In the city o

发表于:2019-01-19 / 阅读(165) / 评论(0) 分类 2018CRI中国国际广播电台

Poyang Lake, which connects to the Yangtze River near the city of Jiujiang, is the largest freshwater lake in China. The area of the lake fluctuates dramatically between the wet and dry seasons, influencing water levels downstream. However, the lake

发表于:2019-01-19 / 阅读(217) / 评论(0) 分类 2018CRI中国国际广播电台

By Daniel Schearf Beijing 10 June 2008 China has said a massive lake formed by China's Sichuan earthquake is halfway drained and now poses less of a threat. China says it has won a decisive victory in its battle to drain the lake; drainage efforts b

发表于:2019-01-19 / 阅读(234) / 评论(0) 分类 VOA标准英语2008年(六月)

By Daniel Schearf Beijing 07 June 2008 Chinese workers have started draining a massive, unstable lake formed by the Sichuan earthquake. Chinese officials say the water level is still rising but the threat of the lake bursting has been eased. Daniel

发表于:2019-01-19 / 阅读(203) / 评论(0) 分类 VOA标准英语2008年(六月)

Chinese soldiers used anti-tank weapons to blast away rocks and mud, holding back waters in an earthquake-formed lake that threatens more than 1 million people living downstream. Soldiers fired at rocks to dislodge enough debris to speed the drainage

发表于:2019-01-22 / 阅读(191) / 评论(0) 分类 自然百科2008年

And this was their greatest achievement: the legendary temple complex of Angkor. You know, a real sense of age of this place here. This was built over 1,200 years ago. At a few places right here you can see a show of the age that faces are all worn,

发表于:2019-01-22 / 阅读(158) / 评论(0) 分类 自然百科2010年

By Greg Flakus New Orleans 25 April 2008 The Mississippi river, which drains more than 40 percent of North America's river flow into the Gulf of Mexico, is at its highest point in years, leading to concern that levees protecting the city of New Orlea

发表于:2019-01-31 / 阅读(192) / 评论(0) 分类 VOA常速英语2008年(四月)

My wife came home yesterday and said, Honey, the car won't start, but I know what the problem is.I asked her what it was, and she told me there was water in the carburetor(化油器). I thought for a moment, then said, You know, I don't mean this o

发表于:2019-02-03 / 阅读(155) / 评论(0) 分类 趣味英语

Woman's Body Found in Lake 12 Years After Disappearance The body of a Florida woman who vanished on her way to the airport 12 years ago has been found at the bottom of a lake near her home, police said Friday. Gail Schoening of Broward County was a m

发表于:2019-02-03 / 阅读(158) / 评论(0) 分类 阅读空间

Ohio Lake Erie, the smallest of North Americas five Great Lakes, supplies fresh drinking water to an estimated 11 million people in Ohio, Michigan and southern Ontario province, Canada. Yet sometimes pollution, both from industrial waste and farm-che

发表于:2019-02-04 / 阅读(174) / 评论(0) 分类 英语新闻

By Sabina Castelfranco Rome 16 October 2009 Fisherman rows canoe on Lake Chad (Nov 2006 file photo) The Food and Agriculture Organization held a special event Friday to raise awareness and mobilize funds to save Lake Chad, which was once one of the

发表于:2019-02-12 / 阅读(150) / 评论(0) 分类 VOA标准英语2009年(十月)

Pre-Listening Vocabulary surrounded: enclosed; to have something on all sides outlet: a means for going out or escaping evaporate: to change from liquid into vapour effortlessly: without trying hard ingest: drink or eat spa: health treatment using mi

发表于:2019-02-27 / 阅读(235) / 评论(0) 分类 趣谈英语
学英语单词
ajnr
alice-josephine ponss
anguinus
arc method
azote
Baygnostil
be fake
bearleap
bioherbicidal
biomass secondary
Bouguer
brainfart
cast polymer
category rating scale
cautionize
change horizon value
chokon
coat check
compound essence
continuous distiller
coryphaenoides nasutus
cover of a set of dependencies
Cristoforo Colombo
Culicoides oxystoma
dead end tie
dead flat hammer
diagram stage
dicranoloma brevisetum samoanum
diluent cooling
domestic excise tax
Donaumoos
earth-quakes
electro communication
enlivening the economy
Environmental Protecton Agency
Famiciclovir
filter cake thickness
flow summer
frowey
ghitac
guisings
hand-looms
hand-typing
high frequency selectivity
homeotic mutant
hydraulicity
iiris
illuminance of skylight
induced-draft fan
induction generator
ingross
Jablonec nad Jizerou
Kasiba
KC2H3O2
Kirk Smeaton
l-Butylbiguanide
latch-release cylinder
law-makings
life is like a boat
lockpin
long-sleeveds
low disparity code
luminescent powder
media environment
midward
minimum tax
muscular adductor mandibulae
non-conjugated monomer
nonlinear network elements
on-again off-again
orellana
parasteatoda angulithorax
Parry's penstemon
Pecha Kucha
Peristylus taipoensis
Perthes' incision
picorna
port sash
positive-part stein-rule estimator
precision research audiometer
roundtrees
rudder order
Rupat, Pulau
sample markets
sciagrapher
Serpulinaceae
servo system integral control
ship ventilation
shoulder-joint
simultaneous superficies and interior syndromes
spiroylic acid
stumbles on
tapered connection
telefelony
the grey pound
the living standard
Titanocerite
track shot
Trichlorbutanol
tugela fallss
Weddah
wises up