极座标型机器人

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(200) / 评论(0) 分类 疯狂英语2004年

By Paul Sisco Washington 28 February 2007 watch International Polar Year Thursday, March 1st, is the official start of the International Polar Year. The international research and educational effort officially runs till March 2008. At least 50,000 s

发表于:2018-12-08 / 阅读(116) / 评论(0) 分类 2007年VOA标准英语(二月)

[00:00.00]Unit 9 The memory robot [00:34.51]A:Did you pack your bags last night,dear? [00:40.25]B:Yes,I did.I packed everything. [00:45.11]R:No,you didn't.You didn't pack your computer. [00:52.48]A:Did you pack your coat,dear? [00:57.03]B:I...um,...I

发表于:2018-12-10 / 阅读(173) / 评论(0) 分类 (人教版)初中二年级上册

A new study has found that the Arctic's iconic polar bears are finding it harder to hunt for food due to melting sea ice caused by climate change, putting the species at a growing risk of extinction. Researchers from the United States Geological Surv

发表于:2018-12-24 / 阅读(111) / 评论(0) 分类 2018CRI中国国际广播电台

When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bea

发表于:2018-12-24 / 阅读(115) / 评论(0) 分类 2016年Scientific American(十)月

Seventy-nine degrees north latitude is near the top, at the cold edge of the world. In the winter, when temperatures plunge below freezing, there is complete darkness at noon. During summer, the sun shines at midnight, there is no place to hide. Dang

发表于:2018-12-30 / 阅读(225) / 评论(0) 分类 国家地理2007年

She worries a lot. She worries about polar bears. They are big, white bears. They live in the north. They need snow. They need ice. They need cold weather. There is too much pollution. Pollution heats up the Earth. Heat melts the ice. The ice is the

发表于:2018-12-31 / 阅读(155) / 评论(0) 分类 儿童英语小故事

Imagine you are a college student at Notre Dame de Namur University in Belmont, California. You walk into your philosophy class on the first day of the new term only to find a robot looking you right in the eye. This robot is no huge piece of equipme

发表于:2019-01-03 / 阅读(162) / 评论(0) 分类 2018年VOA慢速英语(二)月

BBC Learning English Weekender Polar Explorer Amber: Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to an interview with explorer, Rosie Stancer. In March, Rosie sets off on her latest expedition walki

发表于:2019-01-16 / 阅读(130) / 评论(0) 分类 Weekender

Many South Korean families spend thousands of dollars a year on English language education for their children. Students attend private academies(学院) often until late at night everyday. Most such schools hire teachers from abroad, but a team of en

发表于:2019-02-03 / 阅读(77) / 评论(0) 分类 英语新闻

STOCKHOLM, May 8 (Xinhua) -- The 2012 Swedish Polar Music Prize was awarded to the American singer-songwriter Paul Simon and the Chinese American cellist Yo-Yo Ma, the prize committee said in a statement on Tuesday. For five decades, Paul Simon has b

发表于:2019-02-09 / 阅读(97) / 评论(0) 分类 英语新闻

Voice 1 Thank you for joining us for todays Spotlight. Im Rebekah Schipper. Voice 2 And Im Joshua Leo. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Sib

发表于:2019-02-14 / 阅读(88) / 评论(0) 分类 环球英语 Spotlight

The dogsled skimmed silently over the frozentundra. The seal hunter ran alongside it. Sometimeshe cracked his whip against the ice. The snowdrifts looked like giant white sculptures asthe sun slipped behind the frozen hills. Then a fullorange moon ro

发表于:2019-02-17 / 阅读(101) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

The dogs were barking wildly at two smallcreatures playing in the moonlight. Polar bear babies! cried Annie. One roly-poly cub leaped onto the other. Then theyboth rolled through the snow. Hi, little bears! Annie called. The cubs jumped up and shook

发表于:2019-02-17 / 阅读(78) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

The cubs whimpered louder. They want to go to her, but they're afraid of theice, whispered Jack. Annie petted the cubs. Don't be afraid, she told them. You'll get back toyour mother.The big polar bear growled. She paced back andforth, sniffing the ai

发表于:2019-02-17 / 阅读(81) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack, you can get up now, said Annie. Jack opened his eyes. Annie was standing over him. She still had her mask on. We're on safe ground, she said. Jack felt as if he'd been dreaming. He lookedaround. They had reached the tundra at the edge ofthe fro

发表于:2019-02-17 / 阅读(89) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Now only the moon shone on the snow. Jack looked around for the polar bear. She was gone. Where'd she go? asked Annie. I don't know, said Jack. He looked over thetundra. There was no sign of the giant bear or hercubs. Maybe she's not interested in sc

发表于:2019-02-17 / 阅读(89) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

BEIJING, June 21 (Xinhua) -- China will launch a new icebreaker for use during an upcoming 2013 polar expedition, a senior oceanic official said on Tuesday. Both the new icebreaker and Xuelong (Snow Dragon), an icebreaker that operated in Antarctica,

发表于:2019-02-18 / 阅读(104) / 评论(0) 分类 英语新闻

STEVE INSKEEP, HOST: You know it's cold in Chicago when TV video shows the railroad tracks on fire. Steel rails contract in exceptional cold. So to warm them up, transit workers stretch rope soaked in kerosene along the tracks, and they burn it. The

发表于:2019-02-19 / 阅读(79) / 评论(0) 分类 2019年NPR美国国家公共电台1月

Voice 1 Hello, Im Marina Santee. Voice 2 And Im Ruby Jones. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 A tall man stands s

发表于:2019-02-21 / 阅读(105) / 评论(0) 分类 环球英语 Spotlight
学英语单词
A-20968
aber-de-vines
absolute constants
accumulator blowdown
acholuric jaundice
alkali poisoning
amora
auxiliary rod
balanced reaction rudder
banter with
basmachis
binaryzation
bipolar code with zero extraction
blasting index
bragagna
brush-tailed porcupines
Castanos
cathode cylinder
clay-filtered oil
CNDC
coal puncher
coal-hood
Cochlearia hui
component cooling system
crescent-cell anemia
deobandi
didymo
dyer's rocket
e-Choupal
electrolytic refining plant
electronic level control
end-to-end discharge
equal elements
Euphorbia kansui Liou.
excommunicatory
Fencer aircraft
Fibonacci number
finishments
fluorescent-allergosorbent test
fold of tympanic cord
footblower
fundamental reference system
gas free certificate
glebulent
glucoerysimol
Glycyrrhiza inflata
graphic segment support
Guāsuba R.
hard to settle
hephestiorrhaphy
honeyish
hot-bulb ignition
ice-cream soda
increment of load
indicative offer
jazzbeaux
jsmh
Laportea medogensis
later time
length of sleeper
less pay for less work
linitis
Lyall B.
make something up to someone
mechanical float
multibottle
Neuroneoplasm
Obamanation
occasional maintenance
odontorine
omega melancholicum
on state voltage
pacelli
Pacific Coast Ports
panasoetara
pattern sth on
phenic alcohol
phototracking
physical intelligibility
plugging meter
polypsychical
polyreaction dynamics
R. R. B.
reference disc
Reunion event
rhyolite porphyry
Salmonella abony
scalar product of tensors
scalpcontusion
shev
siliceous stalactite
surface finish indicator
symmetrical cable
the Bible
thrivers
transverse cross-section
undulipodial
uneps
vapor densities
velocity of flow
vituperant
war risk clause