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(223) / 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(133) / 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(199) / 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(127) / 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(130) / 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(240) / 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(174) / 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(180) / 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(142) / 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(90) / 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(117) / 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(107) / 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(116) / 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(89) / 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(98) / 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(110) / 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(103) / 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(122) / 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(100) / 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(124) / 评论(0) 分类 环球英语 Spotlight
学英语单词
account take-over
accountant file
adjustable bellows
antepiscopist
Antheraea pernyi nuclear polyhedrosis virus
antimagnate
arms sales
Balistoidei
basis.
buzzin'
cathodic etching
change machine
Child-Langmuir equation
coilin
commodity marketing
computer auditing
coolant supply system
coordinator
Corchoropsis psilocarpa
cost outlay items
courtesy flushes
Cyanotis arachnoidea
day after aday
deavere
deyton
diapers
difficilis
discographically
electron gap admittance
electronic gun
ERMP
Ewig-Weibliche
face reinforcement
feed shelter
first class airmail
for fake
geard
genus potamogetons
grouxes
Herzberg am Harz
homozygous gene
hulsizer
hypodermic injection
imprecisely
in stays
incompetencies
integral cam shaft
Invertebrata
journalizers
khan shaykhun
kibuns
Lagotis brachystachya
learning-curve
limited exclusion area
Mala, Pta.
mason's
mike us
Mima mounds
motu proprio
natural manure
neoliberalist
nondirectory structured
nonevaporating
not harm a fly
not-go end
occlusion bodies
Penagen-VK
place where eggs are incubated until the hatch
pontiothauma fusiformis
Portable Document File
pre-processor
preferists
ranns
re engineering
repulped
respeccing
roll tube technique
saturation of photo-electric current
scapulo-anterior position
Schopper's bursting strength tester
screw stay bolt
sichuans
slave-girls
snoring rail
sour gasoline
south-westwards
special stowage
spheroidal graphite
stepped refining
straightaway cut
strategic nuclear delivery vehicle (sndv)
T.P.N.D.
tank erection
thermostatic apparatus
timing glitch
tween
unhingedness
Upanishadic
Vujicic
work-force
Yablonovy Range
zenith distance measurement