方位偏振仪

Journalist: What qualities does a university require when 1) enrolling students and what changes when they leave school? Richard: That’s a good one. The students coming into Yale, of course they hav

发表于:2018-11-28 / 阅读(251) / 评论(0) 分类 疯狂英语2002年

average brightness 平均亮度 average picture level 平均图象电平 averaging 求平均数 avionics 航空电子学 axial betatron oscilations 轴向电子感应加速岂荡 axial etch nonuniform

发表于:2018-12-08 / 阅读(278) / 评论(0) 分类 电信英语

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(162) / 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(157) / 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(279) / 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(223) / 评论(0) 分类 儿童英语小故事

Urban Pianist--Daniel Powter (MTV) Bad Day, the first single off Daniel Powter's small masterpiece of a debut disc, has been divebombing TV-watching Americans for months. Turn on American Idol and there it is, accompanying the latest axed contestant

发表于:2019-01-02 / 阅读(221) / 评论(0) 分类 娱乐新天地MV 2006

Artist:Daniel Powter Song:Love you lately You packed your last two bags A taxi's 'round the bend You used to laugh out loud But you can't remember when You lost your lies It's like your moving out of time And the whole world crumbles right beneath

发表于:2019-01-11 / 阅读(216) / 评论(0) 分类 音乐咖啡厅

New Movie Boosts Campaign to Save Polar Bears Polar bears are in trouble. Scientists say only 20,000 remain, and their long term survival could be at risk. The new IMAX movie, To the Arctic, is narrated by actress Meryl Streep. The movie tells the st

发表于:2019-01-13 / 阅读(150) / 评论(0) 分类 VOA标准英语2012年(五月)

Polar Scientist Charts Melting Caused by Climate Change Michael Gooseff follows water to the end of the earth. The Pennsylvania State University hydrologist works in remote regions of the Arctic and Antarctic, where ice and frozen ground are thawing.

发表于:2019-01-14 / 阅读(107) / 评论(0) 分类 VOA标准英语2011年(八月)

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(192) / 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(160) / 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(128) / 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(136) / 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(122) / 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(125) / 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(138) / 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(128) / 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(165) / 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(156) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a ray of light
aerial fistula
amyloglucosidase
appendage task
aquofization
areal productivity
Atterberg scale
balistess
Baluchi
Ben Nevis
boogying down
Bumfuck, Egypt
butt cable
canine chorea
car handle control
cicloxilic acid
codetta
creditor's creditor
decastylar
deputy
description operator
desoxyriboflavin
Dutch doll
ejidos
electric travelling crane
electron diffractionmetry
false chamomiles
file attach
flat frequency response
flying proficiency
focal property
fountain failure
fried food
fume over sth.
garbutt
gedinnian age
genus Geoffroea
girtons
Gorczyncki
grand-slammer
heliospheres
Hetauda
hydromorphic paddy soil
imperial tax
in letter and spirit
infantile spinal muscular atrophy
integrated optical modulator
Kalman conjecture
kegstand
kick-stepped
l'wren
left coherent ring
main repeater station
Manihot utilissima
Maxonian
meehanite cast iron
Merilene
message authenticity
mixing condensation level (mcl)
musculus pectoralis tranversus
mylohyoid muscle
near letter quality
Ninh Thuan, Tinh
Ogallah
paraissent
peekaboo bras
Pinhal
polar sensitive
populizer
portal hoist,gantry crane
positional nystagmus
postheat current
powder chest
ppnk
prowesses
radiation pollution
radiotronic
real estate trust
reorganisations
search equipment
shipyard roll press
shunt compensation
siccus
sidefooting
sigs
silage blower
Simpson lamp
single gang variable condenser
slot-blots
softener of rubber
steam line plug
strict maximum point
superinsulation
susanf
Svilengrad
Tiki Tours
triple header
unbountiful
unem
Vésubie
wetting property
Yoxall