旋转筛,圆筒筛

The next morning when Mr. Alden and Isabel came over to the garage, the children were already at work. Grandfather looked on as his grandchildren worked. You look like a colony of busy ants, he said proudly. We are! Henry said as he and Jessie carefu

发表于:2018-12-06 / 阅读(110) / 评论(0) 分类 95 The Midnight Mystery

Do you think its true? Benny asked his brother and sisters. He was standing at the window in the lace-and-lavender room that Violet and Jessie were sharing. The children had finished unpacking and were waiting for Violet to put more film in her camer

发表于:2018-12-06 / 阅读(122) / 评论(0) 分类 98 The Mystery of the Runaway

Dont open the box just yet, Jessie, Andy was saying. One more minute and well be set to go. While the Aldens waited on an empty bench, Violet whispered, Did you see Fionas reaction when Benny walked into the lobby? Next to her, Jessie nodded. She cou

发表于:2018-12-06 / 阅读(112) / 评论(0) 分类 123 The Amazing Mystery Show

Broadcast: January 14, 2003 By Jill Moss VOICE ONE: This is Phoebe Zimmerman. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent developments in sc

发表于:2018-12-07 / 阅读(84) / 评论(0) 分类 VOA2003(上)-健康资讯

个人简介: Louis Szekely (born September 12, 1967), known professionally as Louis C.K., is a stand-up comedian, Emmy-winning television and film writer, actor, producer, and director from Boston, Massachusetts. He currently stars in the FX comed

发表于:2018-12-09 / 阅读(70) / 评论(0) 分类 英语万花筒

Teacher: Boys, I have a riddle to ask you. There's something wearing beautiful feather, and it can wake you up every morning. What is it, Tom? Tom: A feather duster, with which father wakes me up every morning. 老师:孩子们,我有个谜语要你们猜:有一

发表于:2019-01-02 / 阅读(85) / 评论(0) 分类 英文笑话

SCIENCE IN THE NEWS - Saying Goodbye to Polio: Not There Yet, but Close By Karen Leggett and Cynthia Kirk Broadcast: Tuesday, December 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Sp

发表于:2019-01-02 / 阅读(70) / 评论(0) 分类 科技之光

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(十二)月

Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(十二)月

SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in

发表于:2019-01-11 / 阅读(105) / 评论(0) 分类 VOA慢速英语2008年(三)月

This is the VOA Special English Development Report. Sometimes it takes an engineer to help a village. In poor communities, that help may come from volunteers with a group called Engineers Without Borders. A civil engineering professor in the United

发表于:2019-01-11 / 阅读(80) / 评论(0) 分类 VOA慢速英语2008年(一)月

World Partners Intensify Effort to End Polio From VOA Learning English, this is As It Is. Welcome to the show. I'm Caty Weaver. On the program today, we explore the continuing international effort to end polio following an outbreak of the disease in

发表于:2019-01-12 / 阅读(295) / 评论(0) 分类 2013年VOA慢速英语(九)月

It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell

发表于:2019-01-26 / 阅读(205) / 评论(0) 分类 有声英语文学名著

DEVELOPMENT REPORT — June 10, 2002: Campaign Against Polio By Jill Moss This is the VOA Special English Development Report. In nineteen-eighty-eight, world health leaders started a campaign to end t

发表于:2019-01-30 / 阅读(103) / 评论(0) 分类 农业与发展

This is the VOA Special English Development Report. An Afghan girl receives a dose of polio vaccine The World Health Organization has begun to use a new vaccine against polio. Officials say it will become a major tool in the campaign to end a disease

发表于:2019-01-31 / 阅读(97) / 评论(0) 分类 2010年慢速英语(一)月

The RiddleOnce upon a time... A King's son once had a great desire to travel through the world, so he started off, taking no one with him but one trusty servant. One day he came to a great forest, and as evening drew on he could find no shelter, and

发表于:2019-02-01 / 阅读(147) / 评论(0) 分类 英美文化

A Norwegian took a trip to Fargo, North Dakota. While in a bar, an Indian on the next stool spoke to the Norwegian in a friendly manner. Look, he said, let's have a little game. I'll ask you a riddle. If you can answer it, I'll buy YOU a drink. If yo

发表于:2019-02-01 / 阅读(92) / 评论(0) 分类 趣味英语

oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr

发表于:2019-02-03 / 阅读(121) / 评论(0) 分类 英文语法词汇

Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth

发表于:2019-02-08 / 阅读(111) / 评论(0) 分类 实用英语

Now look, I'm a technology fan, but I have to admit to you all I'm a little old. 我是一个技术发烧友,但我得承认我年纪是大了点。 So I was a little slow, and I did not trust technology, and when they first came out with those new

发表于:2019-02-13 / 阅读(80) / 评论(0) 分类 TED演讲国际问题篇
学英语单词
abo systems
acknowledges
adiabatic chemical reaction
alpha-proteobacteria
Andreotti
associated key
Baltic Republic
beastlinesses
binocularities
call signs
cetane number testing machine
Chen Ziming
chirotopic
chopped heat flux density profile
colo(u)r intermediate
comprehensive most favoured nation clause
course of disease
crotoxyphos
Cuts and Scratches
Degersheim
delayed release
desert mice
deterritorialized
dreamlikeness
e-friends
erythemogenic
exoterically
expense of circulation
family cycle
freakishly
GADOPSIDAE
gas absorption cell
general infection
gift wrapped
gluteus minimus
Gy.Sgt.
Henley-in-Arden
insurrectioner
Intercaval
Kenyanizes
ladle degassing method
larch agaric
laser holography memory
leprosies
m-Taiwan
maternalness
MCWP
measuring trasformer
metering sleeve
mintex
model former
morphew
mortgaged contract with risks
multistrand continuous pickle line
no-spark
Nymphonidae
ogren
open lend aperture
palaeoneurology
palliative gastrectomy for cancer
parrotfeathers
Pearl Road
pearl-weed
peckinpah
peep it
pemphigus haemorrhagica
Physosomata
piston-refrigerator
plain equal tee
polar repulsions
positive soap
postanthesis
qadry
reinverted
release of mortgage
roughhousing
sealed off counter
sed rate
sintered glass
standard hydrogen electrode (SHE)
Staphaurex
statistical overvoltage
steady state fuel conversion ratio
tautology rule
testing level
the reason for
therapeutical gymnastic room
thin-down
tightrope-walkers
touch-me-nots
tributyl phosphate
undata
United States of Atlantic and Gulf
Vedaism
vertical tendon
virilizing ovarian tumor
well-appreciated
wing mast
xanthochroic
Yenissei
zinc-plating