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This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

发表于:2018-12-02 / 阅读(228) / 评论(0) 分类 Scientific American(八)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片

发表于:2018-12-12 / 阅读(228) / 评论(0) 分类 北美小学生英语一年级教材(牛津英语教材)

DAVID GREENE, HOST: Here in California, some chefs are bringing together high-end cuisine with ingredients that might actually get you high. (SOUNDBITE OF TV SHOW, BONG APPETIT) ABDULLAH SAEED: Cannabis-infused foie gras - we've come a long way from

发表于:2018-12-18 / 阅读(147) / 评论(0) 分类 2018年NPR美国国家公共电台8月

Linda: Its so nice to have a picnic in the park! 琳达:在公园里野餐真是太棒了! Mom: Yeah! Lets dig in. Do you want some cookies? 妈妈:是啊,我们开始吧。你要小点心吗? Linda: No, thanks. Mom, I want some cheese and

发表于:2018-12-26 / 阅读(149) / 评论(0) 分类 天天练口语

Sara is hungry. She goes to the kitchen. She opens the cabinet. There are a lot of snacks. The marshmallows are too sweet. The potato chips are too salty. The ice cream is too watery. The kiwis are too sour. The cereal is too bland. Her dad comes hom

发表于:2018-12-28 / 阅读(165) / 评论(0) 分类 英语第2级听力-English Level 2

avid, [ 'vid ] adj 热心的(有强烈的兴趣和热情=eager=appetent=ardent=athirst);热望的 【例】an avid sports fan 热衷的体育爱好者 【记】avi飞,鸟-人类早就渴望飞了-热望的av一种频道,可以玩游

发表于:2018-12-30 / 阅读(160) / 评论(0) 分类 不择手段背单词

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 notion [ 5nEuFEn ] She had a notion t

发表于:2018-12-30 / 阅读(272) / 评论(0) 分类 每日攻克5词

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 Scientific American(八)月

1.Boston police say two people were killed when a pair of bombs exploded near the finish line of the Boston Marathon. The blasts shattered the end of the race. 2.Meantime, an intelligence official says two more explosive devices have been found near

发表于:2019-01-11 / 阅读(220) / 评论(0) 分类 美联社新闻一分钟2013(四月)

1.The House of Representatives could vote Friday on a bill to end furloughs for air traffic controllers. The furloughs, which were triggered by budget cuts, are blamed for thousands of flight delays this week. 2.Japan's transportation minister says t

发表于:2019-01-11 / 阅读(226) / 评论(0) 分类 美联社新闻一分钟2013(五月)

Smithsonian Celebrates Jazz Appeciation Month It's April and time once again to celebrate one of America's greatest treasures, jazz with the 10th anniversary of Jazz Appreciation Month. Jazz took a giant step forward when pianist Mary Lou Williams pe

发表于:2019-01-14 / 阅读(157) / 评论(0) 分类 VOA标准英语2011年(四月)

The flower morph larva in the muesli get busy, spinning a web. In the process coating with cereal and sticky tendrils. Not very appetising. And seen under the scanning electro-microscope, the blue cheese Maria bought at the market looks even less app

发表于:2019-01-22 / 阅读(169) / 评论(0) 分类 自然百科2013年

Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But

发表于:2019-01-28 / 阅读(186) / 评论(0) 分类 英语小达人

72 约翰斯·霍普金斯疟疾协会 DATE=7-19-01 TITLE=SCIENCE REPORT - Johns Hopkins Malaria Institute BYLINE=Jill Moss (Start at 01'0

发表于:2019-01-30 / 阅读(221) / 评论(0) 分类 科技之光

Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

发表于:2019-02-05 / 阅读(232) / 评论(0) 分类 实用英语

By Catherine Drew London 11 March 2008 Fish is now the most traded animal commodity on the planet. The United Nations Food and Agriculture Organization, or FAO, estimates 140 million tons of wild and farmed fish were sold in 2004. The FAO reports tha

发表于:2019-02-06 / 阅读(193) / 评论(0) 分类 VOA标准英语2008年(三月)

After being closed for nearly 3 years, the Washington Monument is reopening to the pubilc. New exhibits have been installed and visitors can once again ride an elevator to look out from the highest point in the nation's capital. In August, 2011, the

发表于:2019-02-12 / 阅读(209) / 评论(0) 分类 美联社新闻一分钟2014(五)月

STEVE INSKEEP, HOST: We know that exercise benefits health - kind of obvious. And we're learning more about that. Researchers find people who exercise regularly throughout their lifetimes may be able to keep their hearts and muscles decades younger.

发表于:2019-02-21 / 阅读(150) / 评论(0) 分类 2018年NPR美国国家公共电台12月

According to the Daily Mail on December 1, American daredevil Jonathan Trappe travelled an astonishing 100 miles by flying a cluster of Mexican flag-colored balloon over Mexico with the speeds of 18 to 50 mph. His flight was to celebrate the Mexican

发表于:2019-02-24 / 阅读(372) / 评论(0) 分类 阅读空间

本期内容: McDonalds served up appetising fourth-quarter results. Sales in America continued the recovery begun in the third quarter, rising by 5.7%. Steve Easterbrook, who became the fast-food giants boss last March, credited the introduction o

发表于:2019-03-02 / 阅读(205) / 评论(0) 分类 夏说英语新闻晨读
学英语单词
acid-base equilibriums
acid-proofing alkaliproofing coating
adenosine-3'-phosphate
afterburn
airs de cour
Al Qalīb
aluminocopiapites
anthozoic
assistance stage
azorinus scheepmakeri
bad debt provision
bennachies
Bhandār
bonged-out
Cajanus crassus
calcium-manganese-silicon alloy
centroamericana
Chasong
chucky egg
clinkering rate curve
cokehead
conservatized
cooling-power anemometer
cut out spring
cuzzies
cypral
density recorder
EMU-V
even Clifford algebra
external plat impedance
field-to-field feeding
fishing port district
focused attention
gametocytaemia
genteelisms
grab them by the pussy
granulometric composition
grit stome
Guidelines for Definition of Managed Objects
gynocritcism
heartbreakers
huser
induction current
inked pen recorder
inside room
intermontanes
ivoiriens
Jabal Sudayk
Jew Yorkers
jewel-weeds
limitrophe
Magado
Magnalum
manufactured articles of daily use
megnetic tape
mercuro-iodo-formaline
meteorologic effect
Moulmein
Mount Carbine
naphthenic
necking die
necrologists
night eating syndrome
nonrestraint
nuclear physicist
NURSELINE
oceanic acoustics
operating station
Parker's alloy
parmars
polycormic
polyiform
procedure control
propylpyridonium salt
pump mechanical efficiency
reactor heat balance
red danish
reductive benzoylation
release identification
remote telemetry unit
repeat-cycle timer
retroactive implementation
rolling barrier
seidelmen
separate-excited block oscillator
service request block
set something by
single particle inclusive process
skimmin
sludge measure
spike someone's guns
stain removal
stollens
the World Trade Organization
threshing mechanism
trans-actings
turbine blade
undigitized
vacuum-formed
Wiener capacity
womoonless
yorked