三乙酰竹桃霉素

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(175) / 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(190) / 评论(0) 分类 探索与发现2012年

Amarantine By Enya You know when you give your love away It opens your heart, Everything is new. And you know time will always find a way To let your heart believe it's true. You know love is everything you say; A whisper, a word, Promises you give.

发表于:2019-01-07 / 阅读(200) / 评论(0) 分类 好听的英文歌曲

President Barack Obama's choice to lead the Commerce Department, Senator Judd Gregg of New Hampshire, has withdrawn his nomination. The Republican lawmaker cites differences with the Democratic president over policy issues, including an economic rec

发表于:2019-01-13 / 阅读(226) / 评论(0) 分类 VOA标准英语2009年(二月)

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(203) / 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(213) / 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(193) / 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(181) / 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(208) / 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(192) / 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(174) / 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(205) / 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(218) / 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(197) / 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(201) / 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(213) / 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(187) / 评论(0) 分类 探索与发现2012年

[00:05.75]Listen and Share [00:07.77]歌曲背景 [00:08.88]Amarantine选自专辑《Amarantine》 [00:12.38]Enya说 Amarantine 代表的意思是永恒。 [00:16.41]尽管Enya已经成功发行了多张畅销专辑, [00:20.92]全世界的歌迷听

发表于:2019-02-01 / 阅读(247) / 评论(0) 分类 听歌学英语

Amarantine 永恒之花 enya You know when you give your love away 你相信当你付出真爱时 It opens your heart 爱会为你开启一扇心窗 Everything is new. 世间万物从此焕然一新 And you know time will always find a way 岁月会指

发表于:2019-02-03 / 阅读(215) / 评论(0) 分类 好听的英文歌曲

ROME, Oct. 26 (Xinhua) -- Antonio Nocerino turned out to be the unexpected hat-trick hero as AC Milan beat Parma at home on Wednesday to notch up their third consecutive Serie A victory. Nocerino broke the deadlock at San Siro in the 30th minute. Zlt

发表于:2019-02-04 / 阅读(459) / 评论(0) 分类 英语新闻
学英语单词
accelerating slit
affine geometry
alligator shearing machine
anaflogistico
aromatic ester
as thing stand
asset-stripping
Bagan Serai
Barrett esophagus
be on at someone
bead welding
bench-grinder
beske
Biostim
Budget Bill
carbon rich waste
chemical working
chronistor
circ cubspace
convenience-
cost dear
counter-turned
crank shaft impulse neutralizer
crop dosposal
dalbergia yunnanensis franch.
dauncy
depersonalizations
Diescher mill
different way
dirsiyeh (darisiyeh)
double-curved vault roof
drowed valley
Eira barbara
elevator shoe
emergency parking strip
environmental radiation monitor
epidermal tooth
fibre staining
friction heat gain
frishman
fuck-loads
genus muntingias
goes wrong
governor manifold
granddaddy
gyro wheel
half cocked
handwashes
high glaze
inactive client
isomerase phosphotriose
Kogia breviceps
kudoasis
lake survey
laminae albae cerebelli
ledol
lost on sale
love-lies-a-bleeding
main coolant pump
Manaar
microfractures
microwave extraction system
Mills's disease
multianode valve
neopseustid
nerdishness
nuisance fee
odd-odd
offgrade product
officiate
omophorion
open circuit impedance parameter
Palaeoloxodon
platycephalic, platycephalous
positive phase
practical pressure limitations
preconditioning circuit
preference shares
propraetorships
relict smoker
Sarykamyshskoye Ozero
Silver Plains
skin through
Spiresis
Spöl
squaring up machine
stone sub
sub-line
subboard
submarine gap
supervised alarm system
tank training
track via missile
tsuga formosana hay.
underprocesses
underslips
unrealized gross profits
verrucous carcinoma of penis
weisz
xylanolytic
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