[网络] 达哌唑;诺霉素

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(109) / 评论(0) 分类 探索与发现2012年

Conrazon De Melao Jacky Zhang Conrazon De Melao Melao Melao Melao Conrazon De Melao Melao Melao Conrazon De Melao Melao Melao Melao Conrazon De Melao Melao Melao Emmanuel thinks about the girl He know

发表于:2018-12-08 / 阅读(144) / 评论(0) 分类 最好听的50首英文歌曲

Time again for StoryCorps. We have been listening in this oral history project crisscrosses the country. Today the story of the late Wallie Earl Dow. He was a man who often found himself on the wrong side of the law. Time and time again his exploits

发表于:2018-12-19 / 阅读(208) / 评论(0) 分类 2007年NPR美国国家公共电台

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(109) / 评论(0) 分类 探索与发现2012年

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发表于:2019-01-01 / 阅读(171) / 评论(0) 分类 远大前程.Great.Expectations

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(130) / 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(122) / 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(112) / 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(117) / 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(127) / 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(109) / 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(97) / 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(111) / 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(138) / 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(103) / 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(123) / 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(120) / 评论(0) 分类 探索与发现2012年

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发表于:2019-03-02 / 阅读(156) / 评论(0) 分类 加州英语分级G2

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发表于:2019-03-02 / 阅读(166) / 评论(0) 分类 加州英语分级G2

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发表于:2019-03-02 / 阅读(183) / 评论(0) 分类 加州英语分级G2
学英语单词
Appleseed
association mapping
bent iron
bivariate normal probability density function
bread dough
capacitive voltage transformer
car tyre split
cellulose sodium carboxymethyl
characteristic tide level
chlorine poisoning
Citosol
cloud lightning
colonial regulation
combined work
composite production test device
conditioned reflex regulation
copper(i) carbonate
Cowpasture R.
deflexionize
dekacandela
deoxyribonucleotidase
diamond pattern knurling
documentary bill with letter of credit
dominant mode
engleton
ensisternal
erasable (programmable) read-only memory
eristalis (eoseristalis) cerealis
eruptive stock
ethnarchs
EuLisp
excelsior plate
experimental film
extra-atmospheric
fabric fuel tank
fluvial delta
furtherance
give sb up as a bad job
grand chop
grapnel grappling iron
ground echo pattern
grows out of
gun chambers
Hamlin L.
herbert george wellss
horror-struck
image rejection mixer
impressed vapour pressure
input-output request
intrinsic crystal
juke house
kprotometer
kreb's solution
Küllstedt
land tax collected in kind
life values inventory
line item
manganic fluoride
Marilles
midspace
milliken
monorhymes
multiple-spindle bar automatics
not so much as
obstructivity
oxathiole
pedunculate oak
power forwards
preloaded spring storage unit
printed character set
proct(o)-
product gas tank
productresses
purchase analysis
purpurogallin
radio-freqnency transformer
raster laser plotter
Restionaceae
ribotoxic
Roig, C.
safety-factor
Saroxin
sell into sth
seyer
shop-stewards
Spanish oregano
subitising
The State Bureau of Seismology
thermometric depth
three-unit regulator
time switches
to jump on the bandwagon
under-bishop
underassistant
underwater ice
uninsistent
united way
vat grey
vicinis
vin de table
winfriths
wrongheadedly