[医] 均黄卵

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(72) / 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(76) / 评论(0) 分类 探索与发现2012年

By Adam Freedman Todays topic: DUI and the Breathalyzer test. But first, your daily dose of legalese: This podcast does not create an attorney-client relationship with any listener. In other words, although I am a lawyer, Im not your lawyer. In fact,

发表于:2018-12-30 / 阅读(83) / 评论(0) 分类 法律英语 Legal Lad

The silver Mercedes was weaving along the four-lane road. Two solid yellow stripes and embedded reflectors separated the lanes. The Mercedes driver was very well-dressed. He was also very drunk. He was driving with all the car windows open and the mu

发表于:2019-01-22 / 阅读(86) / 评论(0) 分类 英文短篇故事(纽约)

How Do Breathalyzers Work? If a police officer sees you driving in a reckless manner, chances are youll be pulled over and asked to breathe into a special machine that measures your blood alcohol content. But how can your breath reflect how much alco

发表于:2019-01-22 / 阅读(87) / 评论(0) 分类 英语时差8,16

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(83) / 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(89) / 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(77) / 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(77) / 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(96) / 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(71) / 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(67) / 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(68) / 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(100) / 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(63) / 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(74) / 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(76) / 评论(0) 分类 探索与发现2012年

Oh, that is what you please; whatever it will bring, answered Duhobret. 哦,您看着给个价吧。杜霍布赖特答道。 Hem! it is too odd to please, I should think; I can promise you no more than three thalers. 哼!太差劲了,真不好给

发表于:2019-02-11 / 阅读(102) / 评论(0) 分类 美国语文第六册

How transparent is the water! 瞧,画上那水多清澈啊! What life breathes in the animals that quench their thirst at that spring! 在清泉旁饮水的动物生活得多惬意啊! How that steeple shines! How beautiful are those clustering

发表于:2019-02-11 / 阅读(79) / 评论(0) 分类 美国语文第六册

Unit 1 预约后见面 Dialogue 英语情景对话 A:Excuse me. But are you Mrs. Smifh frrom America. A:您好,您是美国来的史密斯女士吗? 见面.jpg B:Thal's it. I am Maria Smith. You must be Zhang Lin from Tianjin Sports Focility Co.L

发表于:2019-02-27 / 阅读(268) / 评论(0) 分类 高频英语口语对话
学英语单词
actinia-sterol
adverse hearing
afrayne
Alosno
ambergriss
arria
artist's conception
aryl arsine sesquisulfide
audio adapter
Baltasound
bamboo pavilion
belt-drived centrifuge
big rig
bobfloats
boiler dust
car park
Castalia
chuck faceplate
circuit controller
climax soil
convergent beam electron diffraction
corpora Highmorianum
costus root oil
decommutation and readout system
elevation pressure drop
epicaricacy
erasing pulse
external dimensional envelope
feed evaluation
femto-metres
fermentarians
fibre light guide communication
forest fire communication system
forgeable piece
Gairloch, Loch
gargarise
gas feed rate
good faith salvage
ground signal projector
Guadarrama, Pto.de
high-frequency small power transistor
inang
KOPS (kilo operations per second)
lana
laotong
long-line effect
lose his head
luteimonas aquatica
main bearing wrench
mechanical engineering design
method of equal coefficients
move in a groove
municipal landfill
Namicunde
negative-sounding
notes receivable endorsed
obotes
Ochrobium
ockerisms
oenophile
oil exporting countries
on the knocker
open-wire voice line
organohafnium
out-of-doors
Pearl Harbor
powdery snow
pray over
public risk perception
quinine hydriodide
race runners
ragnar
revisionistic
rumbustical
RVPRA
scuttle butt
single zone drafting
slippiest
slots
SOLV
speedreading
starting barrel
stock deal
strain forces
sulfonatability
supervisory engineering staff
survivance
Termination of a Contract of Seaman Employment
tirocinium
to take an examination
tonnage measurement regulation
traders' transaction
tragicomedian
trak
turret top
two chip modem
vaporblast
vergel
waste heat
xenotransplantations
yocto-lumens
yosi