弗兰克 赫茨实验

STEVE EMBER: And Im Steve Ember with EXPLORATIONS in VOA Special English. Today we tell about the history of radio and the latest technology. (MUSIC) SHIRLEY GRIFFITH: Our story begins in Britain in eighteen seventy-three. A scientist named James Max

发表于:2018-12-01 / 阅读(219) / 评论(0) 分类 2010年VOA慢速英语(十二)月

Malawi's Muslim Artists Experiment with New Sound Among the artists who have taken the countrys Islamic song industry by storm are Ishmael Katawala, Ahmed Pilo and Ishmael Mtenje. Mtenjes popularity is owed to his hit RB tune Ka Hijab which is sung i

发表于:2018-12-08 / 阅读(154) / 评论(0) 分类 VOA标准英语2012年(七月)

[ti:UNIT 4 Look into Science! Lesson 25: Let's Do an Experiment!] [0:00.466]UNIT 4 第四单元 [0:02.644]Lessons 25~32 第25~32课 [0:05.438]Look into Science! 观察科学! [0:07.483]You Will Learn 你将学到 [0:08.630]Functions 实际应用

发表于:2018-12-13 / 阅读(297) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-17 / 阅读(251) / 评论(0) 分类 英语广播节选

The four scientists -- three men and one woman -- are taking part in this experiment designed to determine how well food, water, and oxygen can be used and recycled under controlled conditions. The test of the controlled ecological life support syste

发表于:2018-12-20 / 阅读(195) / 评论(0) 分类 2016CRI中国国际广播电台

[00:02.99]3 Listen and order. [00:07.30]You will hear Miss Wang give instructions on [00:10.67]how to use a Bunsen burner. [00:14.04]Listen to the instructions [00:15.94]and number the pictures in the correct order. [00:20.12]Number the steps 1-8. [0

发表于:2018-12-29 / 阅读(322) / 评论(0) 分类 外研社新标准初中英语九年级

Called the hellhole of creation, the Afar Triangle lies at the junction of three continental plates which spread further each year. The oldest living lava lake and one of the lowest points on the planet. Geologists here can study the process that for

发表于:2018-12-30 / 阅读(267) / 评论(0) 分类 国家地理2007年

SATURDAY -- I am almost a whole day old, now. I arrived yesterday. That is as it seems to me. And it must be so, for if there was a day-before-yesterday I was not there when it happened, or I should remember it. It could be, of course, that it did ha

发表于:2018-12-31 / 阅读(329) / 评论(0) 分类 马克吐温最佳短篇小说

It's always fun when my brother comes to visit from New Zealand. Because he is a math and science teacher, he often thinks of interesting things to do that fascinate the children. When he heard that one of my sons does experiments in the kitchen for

发表于:2019-01-01 / 阅读(182) / 评论(0) 分类 英语博客 A cup of English

(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with the VOA Special English program EXPLORATIONS. You are listening to our program today on a radio. Almost no communication would exist in the world without the electromag

发表于:2019-01-03 / 阅读(232) / 评论(0) 分类 2018年VOA慢速英语(九)月

Sidney was a 14-year-old boy with an interest in the sciences. One summer day he started his own investigations. With his 12-year-old sister Sophie in tow, he caught a large bull frog in a local pond. Sidney started his experiment with the amphibian,

发表于:2019-01-03 / 阅读(204) / 评论(0) 分类 英汉幽默故事选读

EXPLORATIONS - The Story of Radio By Paul Thompson Broadcast: Wednesday, June 01, 2005 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: Satellite technology can broadcast radio anywhere. And this is

发表于:2019-01-07 / 阅读(266) / 评论(0) 分类 Explorations

Agriculture Report - African Film Shows Tensions Between Banana Growers, Villagers This is the VOA Special English Agriculture Report. A movie from Cameroon called The Big Banana has come to the United States. It looks at issues with the banana indus

发表于:2019-01-12 / 阅读(336) / 评论(0) 分类 2011年VOA慢速英语(八)月

'Trance' Hypnotizes and Entertains Simon, an art auctioneer, played by James McAvoy, risks his life to hide a Goya painting from a gang. Franck, the gang leader, hits Simon on the head and Simon loses his memory from the blow. But Franck does not bel

发表于:2019-01-14 / 阅读(165) / 评论(0) 分类 VOA标准英语2013年(四月)

check,examine,experiment,test check 指校对(文章、书信等)或找错、检查。 examine 表示察看或观察以了解情况,仔细检查。 experiment表示为了发现或证明某个事实而进行操作。 test表示以某种手段来试

发表于:2019-01-16 / 阅读(145) / 评论(0) 分类 英文语法词汇

LULU GARCIA-NAVARRO, HOST: In our final installment on how communities around the world are adjusting to climate change, we go to India. Pollution there from the burning of fossil fuels is encouraging the spread of solar energy. But as NPR's Julie Mc

发表于:2019-01-16 / 阅读(150) / 评论(0) 分类 2017年NPR美国国家公共电台8月

(SOUNDBITE OF POEM, IF I UNDERSTOOD YOU, WOULD I HAVE THIS LOOK ON MY FACE?) ALAN ALDA: (Reading) People are dying because we can't communicate in ways that allow us to understand one another. That sounds like an exaggeration, but I don't think it is

发表于:2019-01-17 / 阅读(200) / 评论(0) 分类 2017年NPR美国国家公共电台6月

As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag

发表于:2019-01-22 / 阅读(176) / 评论(0) 分类 自然百科2011年

THAT VERY SINGULAR man, old Dr. Heidegger, once invited four venerable friends to meet him in his study. There were three white-bearded gentlemen, Mr. Medbourne, Colonel Killigrew, and Mr. Gascoigne, and a withered gentlewoman, whose name was the Wid

发表于:2019-01-23 / 阅读(150) / 评论(0) 分类 英文短篇小说

EDUCATION REPORT - Duke iPod Experiment By Nancy Steinbach Broadcast: Thursday, August 05, 2004 This is Steve Ember with the VOA Special English Education Report. Duke University in Durham, North Caro

发表于:2019-01-29 / 阅读(250) / 评论(0) 分类 教育与新闻
学英语单词
2-Naphthalenesulfonate
Actinomycesa lmadurae
adsorbed hydrocarbon method
alphie
Antheraea polyphemus
anti-cracking ability
appeal-court
argolid
assisted running
Bade City
bastuse
bicycle-kick
bose-chaudhuri hocquen-hem(bch) error correction codes
cadastral list
capitals of red china
car-chase
casoes
cementing process
cerent
Chiphoch
circulation control wing (ccw)
civil aeronautics
CO filter
co operative credit
cold functional test
CPU-Z
deck and engine abstract logs
dermitis
detachment zone
diuretically
dorsulum
DSL (design safety limit)
embedded key
embroidery darning stitch
Erb's disease
esox luciuss
finger retarder
general liposis
grinding spark test
guidance note
hanging wall
heel counter
hyptolid
ICCDP (integrated circuit communication data processor)
inertial space three-axis stabilization
Irish pound
isotopic moisture gauge
japan and south korea
Kerr cell modulation
kleptomanica
kurchiphylline
linguaphones
liquid ammonia applicator
marital privacy
maritime cultural geography
mcinerny
milk powders
moji
musculus levator arcus branch.
Ninevitish
noblehead
norandrostanes
Oceanographic Engineering Corporation
peripheral equipment manufacturer
phencyclidine
Polyphemus
prairie crocus
preentry of goods
propellant management device
propoxate
put something across
rating and valuation act
raw massecuite
real-time multiprocessing system
record size
repayment ability analysis
scherbo
shaft of ilium
shark's manners
Shemysheyskiy Rayon
sidebands
sign control
sikkell
snarings
spanges
squamous(cell)
ST_ability-and-experience_inability-and-awkwardness
status conferral
sufficient quantity
superheated area
superior pelvic aperture
teiology
tonina
travel-aid
tribelet
troutiest
tubular-bowl clarifier
unadjust
unfaced surface
urban iis
well, potential
well-modelled