极坐标式机械手

[00:03.24]-But Im anxious and frightened.-Trust me. -但我既紧张又害怕 -相信我 [00:05.04]-But I dont.-Well, trust me and all will be well. -但我不相信 -相信我 一切都会顺利的 [00:07.24]Just follow my advice.Its got to look rea

发表于:2018-11-30 / 阅读(188) / 评论(0) 分类 听电影学英语-足迹

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(103) / 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(100) / 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(210) / 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(146) / 评论(0) 分类 儿童英语小故事

Whether you get hired for a new job, promoted, or reassigned to a new position, you will most likely have a new boss. Each time that happens, you must develop a new professional relationship with the person you rely on for direction, development, and

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 英语美文

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(87) / 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(68) / 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(121) / 评论(0) 分类 Weekender

STEVE INSKEEP, HOST: It's been a big week for President Trump to reverse long-held views. He has darkened his view of Russia and said NATO is no longer obsolete. And then there are his changes on economic policy, which we're going to talk about next.

发表于:2019-01-17 / 阅读(86) / 评论(0) 分类 2017年NPR美国国家公共电台4月

By Kane Farabaugh New York City 01 August 2007 During the Cold War, Greenland was a strategic location for the United States military to track and detect Soviet aircraft and ballistic missiles. The military established radar and tracking sites throug

发表于:2019-02-03 / 阅读(150) / 评论(0) 分类 2007年VOA标准英语(八月)

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(85) / 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(77) / 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(90) / 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(68) / 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(76) / 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(78) / 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(71) / 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(91) / 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(93) / 评论(0) 分类 环球英语 Spotlight
学英语单词
a kind of harmful element
a needle in the bottle of hay
absolutely convex closed set
airglow spectrograph
as wet as a drowned rat
balanced water temperature
betear
bias telegraphdistortion
bill-payings
break - in period
Butylcinnamylpyrazine
carbon color test
chest hair
cirls
color separation photography
common caper
commorant
complete vibration
congenital deformity of maxillofacial region
cost- benefit approach
crested dog's-tail
degreaser
diaphragm-transmitted sound
distribution-free detector
divide ownership
dnocs
eff and blind
embryonic activation
epistle lessons
etherfied
extreme-sport
ferrowyllieite
flame r proof material
frequency separating
functional overvoltage
genus Hippodamia
governableness
hemi-demi-semi
hierachical file
hydroglossa
IMPP
inlier
intus-
kertes
klippe
landchain
lay the blame on the right shoulders
liquid level relay
macario
mace-bearer
main-chain
mechanical starter
melomelus
methenyloxygenase
minimum-access routine
Mis.
Mobilinux
molecular toxicology
moral strength
multi-flow evaluator (mfe)
needlefish
ninth-century
nonlexically
painted cup
pharmaceutic adjuvant
pituitary portal system
poll/final in-link protocol
productive section
prolapse of the uterus
radix swinhoei
rate of feeding
reverse differential resistance
Rivoli B.
rockerss
rubella retinitis
Salento
saprolegnious
select rod insert
self-contained controller
serratanidine
shielding box
shrinkage glaze
single-aperture lens
Skoparon lens
smegheads
smoke hole
special activities
speed keeping
spray vaccination
spurious nucleation
sublining
summission
syndactylic
table speed
take ... down
tetrabromo-m-cresolsulfonphthalein
unsoothfast
water-air-cement ratio
william godwin
wing-side car
woven wire mesh belt conveyer
zero dynamic pressure