水迁移的强度

Hundreds of Thousands of Somalis Displaced by Drought, Conflict Drought and conflict have caused a new displacement crisis in the southern part of Somalia. 干旱和冲突造成了索马里南部新的流离失所危机。 Gerard Waite is chief of mi

发表于:2018-12-07 / 阅读(118) / 评论(0) 分类 2017年VOA慢速英语(七)月

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(131) / 评论(0) 分类 2017年VOA慢速英语(十一)月

CNN's Kara Finnstrom reports on Orange County, California's latest source for water Clean, clear water, it is in short supply here in Orange County, so any new source, like this one, is warmly welcome. That is, if you can get past where this water c

发表于:2018-12-11 / 阅读(126) / 评论(0) 分类 万花筒2008年

NENA Region Faces Fresh Water Scarcity NENA地区面临饮用水短缺 Water scarcity will be at the top of the agenda next week when officials from the Near East and North Africa meet in Rome. The U.N. Food and Agriculture Organization warns the ava

发表于:2018-12-16 / 阅读(115) / 评论(0) 分类 VOA标准英语2014年(二月)

Gamma Ray Observatory to Open Soon in Mexico 墨西哥建造伽马射线天文台即将开放 American and Mexican scientists have completed construction of the world's largest gamma ray observatory, situated high in central Mexicos Sierra Negra Moun

发表于:2018-12-16 / 阅读(115) / 评论(0) 分类 VOA标准英语2015年(四月)

If you splashed down in the Atlantic, you'd flounder on which way to swim. But a hatchling loggerhead turtle would know just where to paddleby reading the Earth's magnetic field. Scientists knew turtles can pinpoint latitude this way, because the fie

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 Scientific American(二)月

SCIENCE IN THE NEWS - Severe Ocean Storms: Behind Nature's Power By Caty Weaver Broadcast: Tuesday, September 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Bob D

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 科技之光

Scientists Use Satellites to Identify Groundwater Losses in the Middle East From VOA Learning English, this is SCIENCE IN THE NEWS. Im Avi Arditti. And Im Faith Lapidus. Today we tell about a study of groundwater losses in the Middle East. We also te

发表于:2019-01-12 / 阅读(312) / 评论(0) 分类 2013年VOA慢速英语(五)月

Water is a scarce resource in the desert regions of the Middle East. Though disputes over water have come close to triggering wars between nations of the region in the past, diplomats intervened to keep tensions to a minimum. Now a new study suggests

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2010年(十二)月

It's just magic. When you follow it, you can see that this is the perfect union of the tree and the villages. The locals have kind of trained the roots, kind of guided them through and netted them together. What they've done here is they've grabbed s

发表于:2019-01-22 / 阅读(139) / 评论(0) 分类 自然百科2010年

The key was adaptation. Rain. A familiar occurrence in many parts of the world. But this is rain at its most extreme, the monsoon. The significance of the monsoon isn't the human discomfort, but how the people here have learned to live with it. I'm t

发表于:2019-01-22 / 阅读(136) / 评论(0) 分类 自然百科2010年

By Paul Sisco Washington 26 October 2007 Better weather conditions in Southern California are giving firefighters hope in their battle against large wildfires. But parts of the Southeastern United States, stretching from Tennessee across the Carolina

发表于:2019-01-31 / 阅读(124) / 评论(0) 分类 2007年VOA常速英语(十月)

Swimmers on the popular river beach say there was no warning on a sunny day before the downpour of hailstones, some the size of golf balls and hen eggs. 正值酷暑,西伯利亚一处有名的沙滩却毫无预警地迎来了一场冰雹,冰雹大

发表于:2019-02-02 / 阅读(153) / 评论(0) 分类 英语新闻

By Caroline Sawyer Nairobi 16 August 2007 Flooding in Sudan between June and August this year has killed over 100 people and left thousands homeless. The United Nations released $5 million Wednesday to help Sudanese victims, but as Caroline Sawyer re

发表于:2019-02-06 / 阅读(160) / 评论(0) 分类 2007年VOA标准英语(八月)

Some of the main driving factors of sub-Saharan Africas growing tuberculosis epidemic can be found deep underground in its gold, diamond and precious mineral mines. A new Oxford University-led study warns of the health risks faced by miners and their

发表于:2019-02-07 / 阅读(133) / 评论(0) 分类 VOA标准英语2010年(六)月

Travel美国旅游风尚It's summertime, and the livin' is easy. For many Americans, this is the season to travel. Why? Because school is out. Because the weather is great. And most of all, because we all deserve a break. When Americans take a break,

发表于:2019-02-09 / 阅读(165) / 评论(0) 分类 英美文化

And the Associated Press now confirms that the death toll from Harvey has risen to 12. But as we focus on Texas and Louisiana, nature is also taking a devastating toll elsewhere. Heavy monsoons are paralyzing Mumbai, India, right now. More than 1,200

发表于:2019-02-17 / 阅读(133) / 评论(0) 分类 PBS访谈社会系列

Why Are Some Headlights Blue-High Intensity Discharge Lamps 高强度气体放电(High-intensity discharge,简称HID)灯泡包含了下列这些种类的电灯:水银灯、金属卤化灯(也称作HQI)、高压钠灯、低压钠灯、高压

发表于:2019-02-24 / 阅读(139) / 评论(0) 分类 英语听力文摘 English Digest

We were walking on sand that was fine-grained and smooth, not wrinkled like beach sand, which preserves the impressions left by the waves. 我们在很细,很平,没有皱纹,像海滩上只留有潮水痕迹的沙上行走。 This dazzling car

发表于:2019-02-25 / 阅读(150) / 评论(0) 分类 《海底两万里》中英双语有声读物

These algae are a genuine prodigy of creation, one of the wonders of world flora. 这些海藻类实在是造化的奇迹,宇宙植物界的一个奇迹。 This family produces both the biggest and smallest vegetables in the world. 地球上最小和

发表于:2019-02-25 / 阅读(140) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
activated energy
air-compressor pulley
Airy point
area of feasible solutions
arriero
auxiliary carriage
average room temperature
axicle
Balkan League
barkinflas
blurtings
boiling point method
bottomhood
bridesmaided
button sewer
cable television(catv)
ceara mirim
cheerios
child-kings
civilian-based
clavicular branch
coal electrical prospecting
coal over gas
collocative
day-trippers
discomfort glare rating (dgr)
dividually
double-crank mechanism
equalitarian
ethyl p-hydroxybenzoate
eutypella citri
fall step
ferrous electrode for welding cast iron
Finlay, Finley
focus level
fully-compensated operational amplifier
geography of the ocean
glass reinforced plastic coating
GnRH
gob-struck
gooseneck davit
groundwater ridge
handoperated
hermach
high grade alloy steel
high-density multi-track recording (hdmr)
hydroxyethylation
intermediate space
intershining
Kafia Kingi
ledburies
linear pulse amplifier
low speed engine
lucidity
mandors
manipulating key
ocansey
persitol
petty criticism
phosphorylethanolamine(PE)
photographic emulsion
plastic raw material
pool of labor
porosity measurement
positive hemi-orthodome
press part
proving test rotor
raise oneself by the bootstraps
red fever
reinforcement bar
scanning auger electron spectrometer
shear fracture percentage
Shi'ist
shielded grid tube
simple relational query language
sinanomycin
sister-wives
sphagniprata
split-second column wheel tube
spot contact bearing
starting length
Strauss's needle
sunstrokes
system of gravitational units
Tabligbo
tank seam testing
terminal nodule
Torul
total tuyere area
trap channel filling
treat someone as mud
Trixidone
tweseldowns
ultra-high vacuum valve
universal yoke
unstable loop
water-air system
water-cooled shaft furnace
wickstromol
worm abscess
yuray
Zam metal