定位形态

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(143) / 评论(0) 分类 2017年Scientific American(九)月

Now the Special English program American Stories. Our story today is called The Luck of Roaring Camp. It was written by Bret Harte. Here is Henry Menro with our story. Roaring Camp was the noisiest gold mining town in California. More than one hundre

发表于:2018-12-06 / 阅读(128) / 评论(0) 分类 弗兰肯斯坦.Frankenstein

Now the Special English program American Stories. Our story today is called To Those Who Wait. It was written by E. M. Here is Larry West with our story. I have got my job back. Jeff Miller said to himself over and over again that morning. He had bee

发表于:2018-12-11 / 阅读(109) / 评论(0) 分类 美国故事

Now, the VOA Special English program American Stories. Last week we brought you the first of four programs called A Princess of Mars. Our story is from a series of books by American writer Edgar Rice Burroughs. They are science fiction stories, a mix

发表于:2018-12-11 / 阅读(112) / 评论(0) 分类 美国故事

The Special English program American Stories. Welcome to the fourth and last part of our program A Princess of Mars. The story is from a series of books by Edgar Rice Burroughs. Last week we told how John Carter observed a fierce battle between the g

发表于:2018-12-11 / 阅读(96) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Last week we broadcast the second of our programs called A Princess of Mars. The story is from a series of books by Edgar Rice Burroughs. Last week we told how John Carter was captured by a group of

发表于:2018-12-11 / 阅读(111) / 评论(0) 分类 美国故事

Now, the weekly Special English program American Stories. Our story today is called The Wide Net. It was written by Eudora Welty. Here is Larry West with the story. William Wolas Jameson's wife Hazel was going to have a baby. But this was October and

发表于:2018-12-11 / 阅读(103) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Our story this week is Keesh. It was written by Jack London. Here is Shep O'Neal to tell you the story. Keesh lived at the edge of the Polar Sea. He had seen thirteen suns in the Eskimo way of keepin

发表于:2018-12-11 / 阅读(120) / 评论(0) 分类 美国故事

Now, the VOA Special English program American Stories. Our story this week is called Papa's Straw Hat. It was written by Fread Gibson. Here is Shep O'Neal to tell you the story. Papa was a rancher. He worked with horses. He was proud of the way he dr

发表于:2018-12-11 / 阅读(99) / 评论(0) 分类 美国故事

Our story today is called Many Moons, it was written by James Thurber. Here is Shep O'Neal with the story. Princess Lenore loved cakes. She once ate so many that she became sick. And the king's doctor could do nothing to help her. The king promised h

发表于:2018-12-11 / 阅读(185) / 评论(0) 分类 美国故事

Our story today is called The Line of Least Resistance. It was written by It was written by Edith Wharton. Here is Larry West with the story. Mr. Mindon returned home for lunch. His wife Millicent was not at home. The servants did not know where she

发表于:2018-12-11 / 阅读(99) / 评论(0) 分类 美国故事

Today's story is adapted from the young adult novel Stepping on the Cracks by Mary Downing Hahn. This book won the Scott O'Dell Award for Historical Fiction. The story is about Margaret Bayger, an 11-year-old girl. She tells her about her life in a s

发表于:2018-12-11 / 阅读(145) / 评论(0) 分类 美国故事

Our story today is called Rain Babies. It was written by Laura Cross Melment. Here is Barbara Klein with the story. An old woman and her husband lived in a small house in a green field. They had plenty of food and a good roof over their heads and the

发表于:2018-12-11 / 阅读(128) / 评论(0) 分类 美国故事

Now the Special English program American Stories. Our story this week is called Bartleby. It was written by Herman Melville, one of America's best-known writers. Here is Shep O'Neal to tell you the story in Special English. I am an old lawyer and I h

发表于:2018-12-11 / 阅读(118) / 评论(0) 分类 美国故事

Now, the Special English program American Stories. Our story today is called Charles. It was written by Shirley Jackson. Here is Kay Gallant with the story. The day my son Laurie started going to school, he began wearing blue jeans with a belt. I wat

发表于:2018-12-11 / 阅读(96) / 评论(0) 分类 美国故事

Now the VOA Special English program American Stories. Our story today is called Mr. Black. It was written by American reporter Charles Kuralt. It is from his book A life on the road. For many years, Charles Kuralt travelled across the United States t

发表于:2018-12-11 / 阅读(125) / 评论(0) 分类 美国故事

Now the Special English program American Stories. Our story today is A Jury of her peers. It was written by Susan Glaspell. Here is Kay Gallant with our story. Martha Hale, like all good farmwives, like to finish any job she began. But when Sheriff P

发表于:2018-12-11 / 阅读(116) / 评论(0) 分类 美国故事

What did you enjoy least about your last job? 在上一份工作中,你最不喜欢哪方面? I really enjoyed my job,so I can't think of much,except the commuting. 我真的很喜欢那份工作,除了通勤麻烦之外,我想不出还有什么

发表于:2018-12-31 / 阅读(163) / 评论(0) 分类 必背英文面试口语

Surprise, surprise 惊喜 词汇扫描 swing 悬摆 fraternity 大学兄弟会 porch 门廊 英文原文 Don't ever pay a surprise visit to a child in college. You might be the one getting the surprise. I learned this the hard way when I swung by my

发表于:2019-02-15 / 阅读(131) / 评论(0) 分类 英语笑话(MP3+文本)

SAN FRANCISCO, Sept. 22 (Xinhua) -- Facebook on Thursday introduced Timeline, a new profile design featuring milestones of one's life on a single page. At Facebook's f8 developer conference, Chief Executive Officer Mark Zuckerberg promoted the new fe

发表于:2019-02-18 / 阅读(143) / 评论(0) 分类 英语新闻
学英语单词
a-throb
Aeschynanthus acuminatus
air brattice
al hinw mt.
alienization
anterior chest wall syndrome
attached cavities
auditory ossicles
automatic discharge opening
ball ponds
beach organization
benefit evaluation
black-felt
bonding layer
buttery bar
buy-and-sell
cargo residue
cascios
centre of cushion pressure
Chassahowitzka National Wildlife Refuge
colorfulness of a perceived color
computer assisted career exploration
concayve
contracyclical
copper wire gauze
cysticerci
Dempster-Shafer theory
density of transplants
die spacer block
Direct Sequence Spread Spectrum
document transmission
domestic excise duty
donkeypunch
eddy current flaw detector
embosk
fast moving consumer goods
flocking
floral primordia
fragulamine
geothermic electropower station
give a hint
goliardic
gunkholing
Harder's glands
heemstra
Hlobane
hus-band
i-p
in the sweat of one's brow
interconnection structure
jenkinsite
kinder polka
Kotdwāra
linea nigra
lithium isovalerate
louvre screen
make one's acquaintance
maresca
marks and spencer
masuring platform
maximum allowable tank filling limit
medoruma
mille
modulated carrier
moisture resisting insulation
multipin
nandon
natural-born citizen
nonholonomic constraints
noninformational
overstudied
Permit on Operation with Naked Fire
pollution-free plastics
precollimator
professional audio
pulse rocket motor
reactive center
ripples
scses
silk-like
spinal hypertrophy
stalked
steam heater hose
stevened
stibianite
streaming buffer
surveillances of disease
taigs
technical terms
telephone firewall
tithers
to deposit
tribromomesitylene
tsim sha tsui
tuggurt (touggourt)
ultra high speed photographic instrument
ultra-development
undertree sprinkler
wallaka
Waterbury axial plunger motor
woolen
yellow mineral oil