测地极坐标

by Jason Marshall Theres been a lot of talk about 2D versus 3D in the television and movie industries lately. But what exactly does one, two, and three-dimensionality really meanboth in the everyday world and in math? Well, prepare to have your curio

发表于:2018-12-07 / 阅读(76) / 评论(0) 分类 数学英语

PHOEBE ZIMMERMANN: Im Phoebe Zimmermann. STEVE EMBER: And Im Steve Ember with the VOA Special English program PEOPLE IN AMERICA. Today we tell about an unusual man who had many abilities, Richard Buckminster Fuller. (MUSIC) PHOEBE ZIMMERMANN: Buildin

发表于:2018-12-07 / 阅读(107) / 评论(0) 分类 2010年VOA慢速英语(五)月

Broadcast: May 18, 2003 By Marilyn Christiano VOICE ONE: I'm Phoebe Zimmermann. VOICE TWO: And I'm Steve Ember with the VOA Special English program People in America. Today we tell about an unusual ma

发表于:2018-12-18 / 阅读(77) / 评论(0) 分类 VOA2003(上)-美国故事

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(94) / 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(90) / 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(203) / 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(136) / 评论(0) 分类 儿童英语小故事

Buckminster Fuller, 1895-1983: Building Designer, Engineer, Inventor, Thinker, Poet He was one of the most unusual thinkers of the twentieth century. VOICE ONE: I'm Phoebe Zimmermann. VOICE TWO: And I'm Steve Ember with the VOA Special English progra

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 名人轶事

VOICE ONE: I'm Phoebe Zimmermann. VOICE TWO: And I'm Steve Ember with the VOA Special English program People in America. Today we tell about an unusual man who had many abilities. (MUSIC) VOICE ONE: R. Buckminster Fuller Building designer. Engineer.

发表于:2019-01-11 / 阅读(76) / 评论(0) 分类 VOA慢速英语2007年(一)月

New Texas Institute Coordinates Space Medicine Research Since the human space flight adventure began more than 50 years ago, scientists have learned a lot about things like the effects of weightlessness on bones and muscles, and the danger of increas

发表于:2019-01-13 / 阅读(110) / 评论(0) 分类 VOA标准英语2012年(四月)

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(114) / 评论(0) 分类 Weekender

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(72) / 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(65) / 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(74) / 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(60) / 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(67) / 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(60) / 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(79) / 评论(0) 分类 英语新闻

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(83) / 评论(0) 分类 环球英语 Spotlight

Buckminster Fuller and His Geodesic Dome 巴克敏斯特福乐和他的球型屋顶 Ever heard of a man named Buckminster Fuller, or Bucky, as his friends called him? R. Buckminster Fuller was a twentieth century scientist, philosopher , inventor, an

发表于:2019-02-24 / 阅读(75) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
2-(2-Naphthyloxy)Ethanol
Abyssinian tea
Aglossostomy
anovlar
antitechnologism
bandeira
Basentello, Torrente
braces up
Calamagrostis emodensis
califa
cardio function meter
carrier amplitude
cast duralumin
chalfa
class articulata
clinical outcomes
comparesone
conits
continuous deodorization
controllable pitch propeller gear
corses
cosmid
creditism
distributed-parameter model
do some cleaning
drawbar tractor combination
driving license tax on vehicle and boat
external heat loss
faucitis
feminerds
fibre-loss modulated fibre-optic sensor
foot-pound
furostan
geekism
genus suksdorfias
Govorovo
grandpas
harden sb to sth
hemerotyphlosis
ice chute
in the box
incisive tooth
induhviduals
Kaba, Gunung
kulm
La Parilla
lactic acid methyl ester
law-courts
leave no means untried
Like-Kind Property
low speed refrigerated centrifuge
Lüerdissen
Magro, R.
Mandurah
market plane
marquisettes
medium flower branch
microspectrophotometry
myelinolytic
non-contact piston
operating trouble
organ of violence
otter civets
oval and square method
paravareiola
particle-beam weapon
Patellacea
plasma character display
plotton
Port of Commencement of Carriage
post-strikest
probability of detection
rarefactive
Rhus aromatica
rolling balance
rose ring
round-trip light times
San Jon
saurida undosquamis
sets-in-use
sheet drift
silentish
six-coordinate site
sociable plovers
strange particle
sugarbush
sunshot
synthetic display
thakar
throw over board
time-harmonic wave
torsion-tester
Twinleaf
umbrella roof
unionisms
unitized car
verticillioses
weighted least square regression
wikeley
wilk
xeranthemum annuums
Zhiwei