音标:[,daiәbә u'lei,ait] ;
[矿]羟铜 铅矿

A hundred years ago, there are one and a half billion people on earth. Now, over six billion crowd our fragile planet. But even so, there are still places barely touched by humanity. This series will take you to the last wildernesses and show you the

发表于:2018-12-03 / 阅读(82) / 评论(0) 分类 探索与发现2012年

The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun

发表于:2018-12-27 / 阅读(85) / 评论(0) 分类 探索与发现2012年

西城男孩 Westlife amr diab vs westlife Amr Diab Vs WestLife的音乐,是MY LOVE的MIX版,参考my love歌词 An empty street, an empty house I hold inside my heart I'm all alone, the rooms are g

发表于:2019-01-10 / 阅读(120) / 评论(0) 分类 欧美歌手专辑

53 Dead in Attack on Iraqi Shites Firefighters hosed down the pavement along the road where the bombing took place, as workers removed pieces of food, shoes and clothing from the scene of the explosion. Dozens were killed and wounded in the blast, bu

发表于:2019-01-13 / 阅读(106) / 评论(0) 分类 VOA标准英语2012年(一月)

UN to Plot Strategy against Cancer, Diabetes, Heart Disease Later this month (9/19-20), the U.N. hosts the High-level Meeting on Noncommunicable Diseases, such as cancer, heart disease and diabetes. The goal is to find strategies to reduce the number

发表于:2019-01-13 / 阅读(57) / 评论(0) 分类 VOA标准英语2011年(九月)

UNICEF: CAR a Fragile Country 联合国儿童基金会称中非共和国是一个脆弱的国家 UNICEFs Representative to the Central African Republic said children have fallen victim to malnutrition and recruitment as child soldiers. He warned the

发表于:2019-01-14 / 阅读(69) / 评论(0) 分类 VOA标准英语2014年(五月)

They are constantly on the move. New-born calves have to be up and running the day they are born. But the vast herds do not travel alone. Wolves. Packs of them, eight to ten strong, shadow the migration. And they are hungry. Its the newly born calves

发表于:2019-01-23 / 阅读(97) / 评论(0) 分类 探索与发现2012年

But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag

发表于:2019-01-23 / 阅读(98) / 评论(0) 分类 探索与发现2012年

Day 10. And the mother has let her cubs a mile from the den. Its time to put them to the test. Theyve grown enormously in confidence, but they dont have their mothers sense of urgency. At last it seems that they are ready for their journey. And they

发表于:2019-01-23 / 阅读(88) / 评论(0) 分类 探索与发现2012年

Midsummer on the tundra and the sun does not set. At these altitudes, the suns rays are glancing and not enough of their energy reaches the ground to enable trees to grow. Youll need to travel five hundred miles south from here before that is possibl

发表于:2019-01-23 / 阅读(89) / 评论(0) 分类 探索与发现2012年

As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c

发表于:2019-01-23 / 阅读(104) / 评论(0) 分类 探索与发现2012年

The advance of the seasons brings constant change. As the suns influence diminishes in the north, so the deciduous forests of America begin to shut down, losing their leaves in preparation for the dark, cold months ahead. One season hands over to ano

发表于:2019-01-23 / 阅读(81) / 评论(0) 分类 探索与发现2012年

The character of the forest changes as we descend, becoming ever darker and damper, favoring different kinds of animals and plants. Less than two percent of the sunlight reaches the floor. But even here there is extraordinary variety. In the Great Is

发表于:2019-01-23 / 阅读(78) / 评论(0) 分类 探索与发现2012年

The sun beating down on tropical waters powers the weather systems of the globe. Moisture evaporates from the warming ocean and rises to create great storms. The winds generated out at sea sweep inland across the continents. As they travel across the

发表于:2019-01-23 / 阅读(79) / 评论(0) 分类 探索与发现2012年

Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le

发表于:2019-01-23 / 阅读(111) / 评论(0) 分类 探索与发现2012年

Their secret is teamwork. Impala are their favourite prey. They start to hunt and the pack splits up. An aerial viewpoint gives a new insight into their strategy. As the dogs approach their prey, they peel off to take up separate positions around the

发表于:2019-01-23 / 阅读(74) / 评论(0) 分类 探索与发现2012年

The dogs know their prey must come out or drown. Now its a waiting game. The rest of the pack are calling. Theyve made a kill in the forest and this is an invitation to join in the meal. The impala is in luck. A pack this size kills once a day and ev

发表于:2019-01-23 / 阅读(82) / 评论(0) 分类 探索与发现2012年

All across southern Africa, all animals are journeying for the same reason. Buffalo join the great track. Nowhere else on Earth are so many animals on the move for the same urgent purpose. They are all heading for the swamps of the Okavango, a vast i

发表于:2019-01-23 / 阅读(91) / 评论(0) 分类 探索与发现2012年

Southern Senegal is experiencing some of the worst fighting in years, as violence between separatist rebels and army loyalists flares. The fighting has left one small town in rural Senegal deserted, as farmers are forced to leave their crops to lang

发表于:2019-02-12 / 阅读(88) / 评论(0) 分类 VOA标准英语2009年(九月)

Thousands of dancing devils take over a town in the Andean mountains each year in a UNESCO recognised festival. La Diablada de Pillaro has its roots in the indigenous communities of Ecuador, protesting against Spanish rule and the authority of the Ca

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 CCTV9英语新闻2014年01月
学英语单词
A-B gap
accessory nutrient
approval of the legislature
argument of latitude
bacterial plasue
be sure to do sth
bonus point
bottom-dump
broadmeadows
BVPP
Caldivirga
chilliwack
classification manual of account
close flux device
comic-operas
creosoted roll rubber
cretin
curtain track
cushion tire
direct election
disinvestments
doublewire system
durfee
enantiomorphous form
equalizer support
Euler Mascheroni constant
euphaedusa aculus
external latent heat
feigned commodity transaction
fingerzahl
forced back
Fuluvamide
Fusinus
genus Mimosa
glass-tube
glitter over
grab super-profits
Guadales
high pressure gas chromatography
iliocostal
inflammatory change
instant rice
interaction factor
kardos
Kayin State
knee-deep in the Big Muddy
laminar plasma torch
laniger
Laurel Springs
leucosialin
lineatures
lysogenize
magneto- fluidodynamics
mar-riage
Medes
mediastinal tension emphysema
megabids
member record
midgut shape
multiaccess controller
myocardial inflammations
Navigation Regime of Exclusive Economic Zone
nondesertion
normal boiling point
Normal-form
paracoele
parotoid
parti-generic
parturient fever
perfectly round
phytophthora cinnamomi rands
pledger
positive-going signal
preppy look,preppie look
proximal humerus
pseudo-specturm
pythiass
raio
recoil brak
sagathies
single head wire drawing machine
sound pick up equipment
stabilized front
steel valve
step hydroelectric station
sturre
sulfamidites
sulfate resisting silicate cement
syringa robusta nakai
TCABG
tetrabutylammonium bromide
third molar teeth
tin-indium film
truncated-sequential game
tuberant
unusual weather
Urapunga
vigilante consumer
wet-process
Windigsteig
wrestplank
zacek