辣木

Enigmatic Robot Era Science fiction and science fact is getting narrower and narrower. (scenes from “i, Robot”) Robot: You are experiencing a car accident. In i Robot, from Twentieth Century Fox,

发表于:2018-11-28 / 阅读(316) / 评论(0) 分类 疯狂英语2004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(157) / 评论(0) 分类 探索与发现2012年

Observers in Zimbabwe have been weighing in on Zimbabwean President Emmerson Mnangagwa's now-concluded trip to China. They suggest the visit is likely to increase Zimbabwe's development, as well as create a new era for China-Zimbabwe ties. CRI's corr

发表于:2018-12-24 / 阅读(267) / 评论(0) 分类 2018CRI中国国际广播电台

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(162) / 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(177) / 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(184) / 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(159) / 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(161) / 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(178) / 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(166) / 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(153) / 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(271) / 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(183) / 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(191) / 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(169) / 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(177) / 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(189) / 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(156) / 评论(0) 分类 探索与发现2012年

Today, the Geographic Board decided that the town of Wanganui should be spelt with an h: Whanganui. This will make it the same as the river which flows through the town. The port is on the mouth of the river. The town is on the west coast of the Nort

发表于:2019-02-04 / 阅读(172) / 评论(0) 分类 新西兰英语

By Steve Herman Bangargh, India 09 October 2009 India, with its rich and long history, is full of mysteries. Perhaps none is as puzzling as what happened hundreds of years ago at a royal city in Rajasthan, now under excavation. Where is everyone? Bh

发表于:2019-02-20 / 阅读(261) / 评论(0) 分类 VOA标准英语2009年(十月)
学英语单词
adolescenee
allomaternal
alveolocondylean plane
apply the screw s to someone
bail jumping
balsas
blakes
book selection tools
bordewich
broken conductor strand of stator coil bar
cable bond
childen
chromosomoid
cleansing blower
cleaving stone
Columbus Junction
combination starter
Congo crisis
constant level regulator
cylinder oil transfer pump
didascalic
DLEA
dual capacity
e band
Entrée, I.d'
Etoundou
filling of prescription
form maintenance utility control file
gazzetta
genotypes
goosefoot maples
gotten off
he-said-she-said
hyxobamine
imperfect forecast
inductive theory
internal-threading tool
intrusion velocity
jarovization
Java sparrow
kuibyshev sheep
laser fluorescence detector
lateral solid angle
lecoeur
lonetrexol
master tempering curve
mastercontrol
meble
micropellets
naggish
nail something up
neutron-scattering moisture meter
non-locating bearing
one-particle state
PAF-1
paracancrinite
penis worm
persse
perturbation velocity potential
plateload
presimulation
pulsed voltage
push-bar drawing frame
railway-owneds
rank-order voting
Real, Pico
reply to the toast
Rescue-grass
returning well
rhyacophila kaohsiungensis
rim stone
risk behavior
roll-over machine
sex hair
short range navigator
Sohncke
solar-radiation
sonar data
Spin box
stapedial artery
sterculia pexa pierre
striped flea-beetle
structural working drawing
subharmonic mode-locking
surface varactor
swept generator
teucrium canadenses
tool-point
traffickey
true account
tube-nosed bats
unpainted steel
unprotectively
urban lumberjack
valvula ileorectalis
veterinarian
Waabs
wash stuff
Wiay I.
wilner
world agricultural economics