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(367) / 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(235) / 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(313) / 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(218) / 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(221) / 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(355) / 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(297) / 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(288) / 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(262) / 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(149) / 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(236) / 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(194) / 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(200) / 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(189) / 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(169) / 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(198) / 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(196) / 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(252) / 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(172) / 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(224) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a devil of a
acc (adaptive control constraint)
activation fragment
adiabatic pressure drop
advertisement for
Ain, 'Ain, 'Ain
al-Mubarak
alternating sum
analog assignment of variable
andro-
anomophalus
anticausatives
apodemus sylvaticuss
artemus
attack aircrafts
averagable income
bacterial microscopy
ballata
bashkirs
black tartarian oat
bobby soxer
caledon brilliant blue
chiral coordination compound
combined hydrofining-reforming process
conditional mathematical expectation
core drill with taper shank
crossed nicol prism
Cuijk
departmentation by product
desensitisations
discrete Fourier tranform
enfants terribles
fondlesome
for-in
frequency-domain reflectometer
giant toad
green castings
gyrosensors
high-impedance
Ilex nubicola
interstitial gnanules in sarcoplasm
karst valley
leptura linwenhsini
ligamenta carpi radiatum
light bulb jokes
local Cartesian coordinates
lorzafone
Lumbala N'guimbo
Manyoni
marthens
mass-distance
maudie
Mayakovskoye
meliola machili
micromaterial
Mitchum
mold-
multiplex modulator
necleic acid
ninth-centuries
non-diastrophic structure
null representation module
one-form
outlived
over against
pack rolling
pasteboard binding
periodicities
Perwelz
polemicised
poskitt
program error correction report
protective control
pump-prime
Rebound Team
restricted channel
river waybill
Schottky-barrier avalanche photodiode
scottons
securitised
self-surrenders
semiretired
sensible horizon
shade tolerant tree forest
Shādipur
Smokey Bear
so cold
stolarska
storage cave
stretched body
superplasticization
Sweetland press
taphocoenosis
Thamnastraea
tone distortion
transient overload reverse voltage limit
trencherman
uberizing
ultraviscous
venereal history
virginicus
yunnaxane