un. 组合继电器

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(193) / 评论(0) 分类 2018CRI中国国际广播电台

Pre-Listening Vocabulary gender-neutral: does not identify a person as being male or female personal pronoun: a word that is used to identify a specific person or thing awkward: uncomfortable propose: to make a recommendation fad: something that is p

发表于:2018-12-28 / 阅读(169) / 评论(0) 分类 趣谈英语

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(320) / 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(278) / 评论(0) 分类 儿童英语小故事

PRAGUE, March 14 (Xinhua) -- Usain Bolt had confirmed his participation in the men's 4x100 meters relay at the Ostrava Golden Spike meeting in Czech Republic scheduled on June 27, organizers said on Thursday. It will be the seventh time for the Jamai

发表于:2019-01-07 / 阅读(214) / 评论(0) 分类 英语新闻

BBC Learning English Weekender Carbon Neutral Al Gore Callum:Hello, I'm Callum Robertson and this is Weekender. Al Gore was the vice president of the United States under Bill Clinton from 1993 to 2001. He very nearly became the President in a contro

发表于:2019-01-11 / 阅读(275) / 评论(0) 分类 Weekender

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(225) / 评论(0) 分类 Weekender

LONDON, Aug. 11 (Xinhua) -- Jamaica set a new world record of 36.84 seconds to win the gold medal in the men's 4x100m relay Saturday at the London Olympic Games. Jamaica broke their old record of 37.04, which they set in 2011, to defend the title the

发表于:2019-02-07 / 阅读(220) / 评论(0) 分类 英语新闻

LONDON, June 19 (Xinhua) -- The Olympic Torch Relay is a great chance to show off the North West and celebrate the role that people, places and businesses from the region are playing in London 2012, Culture Secretary Jeremy Hunt said on Tuesday. Hunt

发表于:2019-02-07 / 阅读(190) / 评论(0) 分类 英语新闻

Chinese women's short-track relay team captures World Cup gold MONTREAL, Oct. 28 (Xinhua) -- China capped off the second ISU World Cup short-track meet of the season in strong fashion as the women's relay team won the 3,000-meter relay final Sunday,

发表于:2019-02-08 / 阅读(210) / 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(211) / 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(160) / 评论(0) 分类 环球英语 Spotlight

A team representing Beijing, Zhejiang, Hubei and Guangdong claimed the men's 4100m relay race at the 13th National Games. Famous Chinese sprinter Zhang Peimeng announced his retirement after the race. The Olympic Center Stadium in Tianjin, nicknamed

发表于:2019-02-14 / 阅读(182) / 评论(0) 分类 2017CRI中国国际广播电台

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(155) / 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(146) / 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(171) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

XICHANG, Sichuan, July 12 (Xinhua) -- China blasted off a new data relay satellite Tianlian I-02 on Monday at the Xichang Satellite Launch Center in southwest Sichuan Province . The satellite was launched on a Long March-3C carrier rocket at 11:41 p.

发表于:2019-02-18 / 阅读(220) / 评论(0) 分类 英语新闻

SHANGHAI, Dec. 11 (Xinhua) -- Hosts China showed their power in teamwork on Sunday as they claimed both the men's and women's relay golds at the ISU World Cup Short Track speedskating Shanghai leg. South Korea continued their good form to win their t

发表于:2019-02-18 / 阅读(225) / 评论(0) 分类 英语新闻

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(213) / 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(190) / 评论(0) 分类 环球英语 Spotlight
学英语单词
acoustics of room
act on something
address hologram
AEC,A.E.C.
Agala
Agarthans
airmass positioning indicator
aluminum nicotinate
and that's flat
antiferrodistortive transition
ardons
Ardrahan
autoorientation
Away with him
barrowby
bilateral switching element
birefringent filter
bromide silver
camber of a leaf
cathode pulsed triode oscillator
cement clinker
chaple
character master
checkside punt
Chilleurs
control mechanics
controlling torque
convertible debt
cosmic inventory
Cycas multifida
day to day business
dehorning
discount a bill
discourteous
dysbalanced
education promoting program
electromagnetic shaker
escallops
exchange profit worksheet
exteriorscapes
Extremitas acromialis
fibre grade monomer
fourble
fulfils
hammertime
heater transformator
heating grade natural gas
intra-industry trade
irretrievably
jig-borer
Kroppenstedt
laberge
lactopontin
link checker
logic model
mechanical injection engine
Mikurajima
motor cooling jacket
mouth harpist
neopuritan
nieuwenhuizen
noise-stop
non-intel
oil white
oral proficiency
osteitis granulosa
outer sphere
parabolic quadric hypersurface
pelmeni
photomosaic
poke check
proprioceptive impulses
pseudocyanin
pulsed signal
reversing blade
rosiwal principle
safe in the knowledge that
safety impedance
Saint John River
shadow-moire method
Shajiang
shenyangs
sitta europaea sinensis
sodium dihydrogenphosphate
starins
stereoidentical
sternoclavicular joint
streamiline flow
stush
surface organisms
thick-skinned tectonics
touchups
trade unions
transponder efficiency
tugela fallss
unalphabetised
untheorized
utterness
video look-up table
villaed
white (coated) lamp
wisconsin ice age