[化] 普罗沙唑; 胺丙┭二唑

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(74) / 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(77) / 评论(0) 分类 探索与发现2012年

歌曲 : The realist killaz 艺人 : 2Pac Ft. 50 Cent 音乐星级 : ★★★★ 所属专辑 : G-Unit Radio 发行年代 : 2003 风格 : Gangsta Rap 介绍: 这首The realist killaz由说唱界巨头之一的2Pac和50 Cent共同演绎,2003年的了,可能很多喜欢嘻哈的朋友都该听的差

发表于:2019-01-11 / 阅读(199) / 评论(0) 分类 饶舌音乐

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(110) / 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(85) / 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(91) / 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(78) / 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(79) / 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(98) / 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(74) / 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(68) / 评论(0) 分类 探索与发现2012年

The female retires to consider her verdict. Its hard not to feel deflated when even your best isnt good enough. The sun influences the lives in the ocean just as it does on land. Its richest parts are those where waves and currents bring fertilizing

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

The strike of a great white shark lasts a mere second. Slowing it down forty times reveals the technique and immense strength of this massive predator. If surprise fails, there will be a chase. The shark is faster on a straight course, but it cant tu

发表于:2019-01-23 / 阅读(188) / 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(71) / 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(102) / 评论(0) 分类 探索与发现2012年

This is in Africa rarely seen, a lush water world. Some creatures are completely at home here. These are lechwe, antelope with hooves that splay widely enabling them to move at speed through the water. For others, the change is far less welcome. Babo

发表于:2019-01-23 / 阅读(54) / 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(65) / 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(75) / 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(78) / 评论(0) 分类 探索与发现2012年

At the peak of the dry season in the Kalahari, water arrives in the Okavango. It fell as rain a thousand miles away in the highlands of Angola and has taken nearly five months to reach here. The water drives out insects from the parched ground which

发表于:2019-01-23 / 阅读(66) / 评论(0) 分类 探索与发现2012年
学英语单词
acritochromacy
adjustable clip
adopts
Allerest
anemometries
antitoxoplasmic substance
apotheosizes
apparatus with several arm wippers
arteaga
attractabilities
audio-cassette
automatic rollover core stripping machine
b-team
back roving traverse guide
black enamelled conduit
Blackwelderia
books of job
boozeless
Bora Bora
Bukungu
burnished
Caley pea
Ceel Maxamad Cali
comb data-sampling circuit
computationally indistinguishable
counter nozzle
crosbies
d-corlumidine
darling-hammond
deep into the night
depravers
diarylheptanoid
drum servo speed discriminator
e.t.c.
essential boundary condition
family of confocal centred conics
Farinas
fawn over
financial statement audit file
free sedimentation
gemstar
genus Hydrophyllum
glabridin
grew apart
ground-controlled interception radar
gun-type weapon gunk
hans geigers
hard-type modulator
heavy-fluid washer
hyperthermal dry field
intervention required message
iris pallidas
isuridaes
king bdt
land-minest
large-capacity storage
lay the base for
lead-silver solder
life cycle analysis
low-capacity
magmatic intrusion
markingoff pin
metayers
motion picture film processing plant
national mythologies
Negrito
netly
not that
on-line typesetting system
ornamental
passive amentia
phosphothreonines
precast ribbed roof slab
pseudorandom number generator
radio free
resistance to longitudinal displacement
rotating crystal pattern
roundabout method of production
Rovinari
scovillite
self-styled expert
sostenuto pedal
sowdan
special drawing right certificate
stationary scene
styrene type ion-exchange resin
surratts
Syrianist
thrist
Torres Trench
tummlers
typhus degeneratives amstelodamensis
uk rolling stock
unequips
Vilelas
Vittaria lineata
wedged joint
well-made play
well-serveds
wild hog
x-irradiations
Yeyskiy Rayon