校力鍊介壳虫

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(67) / 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(71) / 评论(0) 分类 探索与发现2012年

3These were the sons of David born to him in Hebron: The firstborn was Amnon the son of Ahinoam of Jezreel; the second, Daniel the son of Abigail of Carmel; 2the third, Absalom the son of Maacah daughter of Talmai king of Geshur; the fourth, Adonija

发表于:2018-12-31 / 阅读(159) / 评论(0) 分类 历代志

皮肤附属器疾病 寻常痤疮 acne vulgaris 脂溢性皮炎 seborrheic dermatitis 石棉状糠疹 pityriasis amiantacea 酒糟鼻 acne rosacea 激素性皮炎 hormonous dermatitis 口周皮炎 pe

发表于:2019-01-03 / 阅读(75) / 评论(0) 分类 医务英语

歌曲: Yes I Can 艺人: Justin Clase 音乐星级: ★★★★ 所属专辑: 未知 发行年代: 2009 风格: RB 介绍: 关于Justin Clase的资料在网络上基本查不到,连他的图片都查不到,我想他应该是个刚出道的新人,加之歌曲太新。 Yes I Can,是一首很好听的RB歌曲,节奏

发表于:2019-01-11 / 阅读(82) / 评论(0) 分类 节奏布鲁斯

Mr.Glendenning: Makes me nervouswhen you pamper me. Katherine: Papa will you do something for me? Mr.Glendenning: My darling, I wish your trapsweren't so delightful. Katherine: Will you give me the ring?Mother's ring. Mr.Glendenning: Has Moray spoken

发表于:2019-01-21 / 阅读(115) / 评论(0) 分类 跟着英剧练发音

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(76) / 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(83) / 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(72) / 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(75) / 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(90) / 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(66) / 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(63) / 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(63) / 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(96) / 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(59) / 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(66) / 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(72) / 评论(0) 分类 探索与发现2012年

Alex: Dr. Coopers office. Amy: oh, hello, who are you? Alex: Im Alex, Dr. Coopers assistant. CanI help you? Amy: Id like to speak to Sheldon. Alex: Im sorry. Hes asked me to hold allcalls unless youre Stephen Hawking, his mother or himself from the f

发表于:2019-01-23 / 阅读(62) / 评论(0) 分类 跟着美剧练发音

WASHINGTON, May 2 (Xinhua) -- Rice originated(起源) in China, a team of U.S. genome researchers has concluded in a study tracing back thousands of years of evolutionary(进化的) history through large-scale gene re-sequencing. Their findings,

发表于:2019-01-26 / 阅读(94) / 评论(0) 分类 英语新闻
学英语单词
a bald-faced lie
allelectric
Arneburg
Asset Allocation Fund
attenuation coefficients
attractive uniaxial crystal
bacillus haemorrhagicus valenosus
barragon
birdlow
bondolfi
bow of a rudder
builtup
cessionaries
chaenomeles cardinalis carr.
chariotees
chromosomal race
covariance operator
cowpon
Crura membranacea ampullaria
Edsbro
elastic theory
electron-multiplier photo tube
entradas
final controlled variable
finishing brush
firefly squid
flexible part
foreconscious
fracture of coal
fuel-system run
ghillie suit
give sb the merry ha-ha
green dinosaurs
grinding resistance
gunruns
harbor station
headtire
human performance compatibility
hyperplastic goitre
ideationally
impeller-type log
inter-clubs
jelloid
kholsun
lay out of route
lebovic
lignum shotcrete
link belt
lobotomised
loula
magneto-switchboard exchange
main stack frame
make himself scarce
Martinstein
match together
meet halfway
Miletus
multiswing
musculi prostaticus
natural line-width
network managememt-oriented transaction
NG-L-nitroarginine
nonbiological method
nose pile
official history
one-hour value
panesthia angustipennis spadica
penny-in-slot machine
phenocritical phase
phthaloyl chloride
pleasuredomes
pusillanimous
rearming boat
renal fixation
retin-a
Rhabdoweisia
riboflavin-5-sodium phosphate
rohtangs
self-braking
self-manageds
spheric luminous intensity
stoneking
storage bunker
striped muishond
strong clay
sub-peritoneal space
take her by the hand
telegram charge
temporarylining
Thilenius, C.
trachelomonas granulata
traveller's tree
tribometric
Tržac
two half hitch
verrucous hemangioma
vincentisation
vulcanica
weight supporting roll
work standard