[医] 油状白尿细球菌

Uriel Yak 尤里专线 (1) Uriel: Hello, this is Uriel. Welcome to Uriel Yak! I have with me in the studio Philip Short. Philip is a British man living in China. He's going to tell us about his experi

发表于:2018-11-28 / 阅读(289) / 评论(0) 分类 疯狂英语2003年

Uriel Yak 尤里专线 (2) Uriel: Crazy English-Land, welcome to Uriel Yak. This is Uriel, and with me in the studio, I have Alex.... Alex: Hi Uriel. Uriel: Alex, a foreigner, a British person, who's

发表于:2018-11-28 / 阅读(279) / 评论(0) 分类 疯狂英语2003年

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(140) / 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(145) / 评论(0) 分类 探索与发现2012年

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(161) / 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(164) / 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(144) / 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(143) / 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(160) / 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(149) / 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(133) / 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(173) / 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(260) / 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(162) / 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(171) / 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(121) / 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(150) / 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(155) / 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(163) / 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(143) / 评论(0) 分类 探索与发现2012年
学英语单词
Actias luna
ambiguation
atmogenic deposit
azeotropism
banzai
bed-jig
belt gear
biformis
binatest
body type antenna
breeder pin
cardiac basal segment
Chistopol'skiy Rayon
chorically
congenital essence
constrictor
cut of cylinder
deontically
Dicrocoelium
do me a favour
do you have a minute
ducane
dump pipe
euclid's
export cargoes
extrahepatic
f4m
fancy boy
ficoes
fraternal nephew
fur burgers
gaffey
Galeras
gestning
Gleeble machine
glue coater
gonyocele
gryphius
heat injection noise
hexander
high frequency brazing machine
high intensity carbon arc lamp
Hope sapphire
Huautla
hydroxypethidine
ideahood
image sequence understanding
Inferred resources
intraspecific population
keep alive grid
let-down vessel
limitation of responsibility
ludus(game-playing love)
luminescent substance
macrogenitosomia
middle-brows
Minor's tremor
monoideism
mournfullest
neutrality hypothesis
non-corporal punishment
non-flammable gas
notch-bar impact test
one-way scoop feeder
os ilii
overburden stress
permanence of continent
photochlorination
primitive colors
quare clausum
reaccreditations
recreation reading
reliability design of hydraulic structure
repaganizing
ribbon back chair
root pocket
self-organizing neural network
sidh
signal attribute
sing woe
sodium pyroborate
sound clip
spherical albedo
spinel type
Stavoren
stoppable
stress-strength ratio
stromal tumors of ovary
subrent
synteresis
take up securities
tank nozzle
terminalia belerica roxb.
Thuddungra
tossing off
tumbler bearing
Ucwk
uranium radium series
visual flight rule between layers
vocal tic
warming-up condensate drain-off connections
work hardening capacity