三恶唑

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(120) / 评论(0) 分类 探索与发现2012年

Doug Levine Forty-three-year-old jazz vocalist John Pizzarelli is one of today's top interpreters of the Great American Songbook. He's also a gifted composer and guitarist. This year John is celebrati

发表于:2018-12-08 / 阅读(124) / 评论(0) 分类 VOA2004(上)--艺术专集

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(121) / 评论(0) 分类 探索与发现2012年

[00:22.97]John Mayer 约翰梅尔 [00:39.68]Heavier Things: 《更有分量的那些》 [00:50.86]词汇扫描 [00:54.29]result in 导致 [00:59.58]followup 随后的作品 [01:05.60]in demand 在需求中 [01:10.50]range from to. 在的范围内 [01:18.44]John Mayer spent the next

发表于:2019-01-02 / 阅读(134) / 评论(0) 分类 各色各样的人

1.Senator Ted Stevens pleaded not guilty to charges he lied about accepting gifts from an oil field contractor. The Republican from Alaska was in a DC court today and his trial could begin as early as September. 2.At least eight people were killed a

发表于:2019-01-11 / 阅读(189) / 评论(0) 分类 美联社新闻一分钟2008年(八)月

Azaz Residents Pick Up After Aerial Bombings The residents of Azaz clean up and mourn after Wednesday's deadly bombing by Syrian government warplanes. Azaz had been peaceful in recent months, although forces of the rebel Free Syrian Army have had to

发表于:2019-01-13 / 阅读(151) / 评论(0) 分类 VOA标准英语2012年(八月)

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(141) / 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(140) / 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(125) / 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(123) / 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(139) / 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(123) / 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(112) / 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(126) / 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(149) / 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(116) / 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(133) / 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(137) / 评论(0) 分类 探索与发现2012年

With The Winery Dogs Veteran Rockers Create All-Star Trio Three veteran rockers have come together to create an all-star trio. The names are familiar: drummer Mike Portnoy co-founded and spent 25 years with Dream Threatre, while recently playing with

发表于:2019-02-01 / 阅读(109) / 评论(0) 分类 VOA常速英语2013年(八月)

听歌学英语:Take Me Home Country Roads Take Me Home Country Roads John Denver almost heaven west virginia blue ridge mountains shenandoah river life is old there older than the trees younger than the mountains growin like a breeze country roads t

发表于:2019-02-07 / 阅读(118) / 评论(0) 分类 听歌学英语
学英语单词
A man can do no more than he can.
ad summum
ammophilas
atd
B complex
Bahia
balc
bestream
bevrotte
binary commutation circuit
bloaters
boycott
Bursa subcutanea calcanea
buteprate
cabrite
capacitance-operated
carpet bed
centre hole planting
Chunri Township
cigarette tissue
consolidated ice
counteractive
destigmatises
dislustre
electric shock therapy
electronic semiconductor
energy of retraction
erofeyev
exhaustee
flaring angle
fluidized bed plant
frameman
gegenwarts
general purpose language
genus melocactuss
gravity axis
heartstream
heaving sand
Höllrich
ice framing
immersible motor
intellectualized simulation software
interaction argument
intercalated latin square
jib head
Jodairol
Kaiserling solution
knee pipe
leucocephalus
magnetic master
Mauritan
metal organic vapor phase epitaxy (movpe)
monotonically decreasing function
mophandle
Myolaxene
neidharts
non-contact type
oint
optical irradiation
out-of-doors
peak-to-vally ratio
physcomitrium limbatulum broth et par
poricalyptra magnaghii
prenodular sulci
primary epilepsy
purple dye murex
reel fore and aft control
relieving light
remendur alloy
rent strikes
Retrangor
rotary trencher
rrnb
running expense
sarcomatous change
Sasa guangxiensis
scalariform marking
semi-sweet chocolates
set adrift
shaddock
shimona
silent arc
size classification
skinnings
social-minded
space absorption
spelling program
spraycone
stirrats
Streaky B.
Tautoga
thermal technology
tourbillon
twitteringly
uncert
underexposure
ungreedy
union hook
uterine arteries
Welsh not
wigger
zygmont