过氧化铁(II) {过氧化亚铁}

By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o

发表于:2018-12-01 / 阅读(550) / 评论(0) 分类 VOA2003(下)-发展与科学

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发表于:2018-12-01 / 阅读(298) / 评论(0) 分类 用Mp3背六级单词

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute. Compounds found in the herb thyme have antibiotic properties. Now scientists have demonstrated that thyme might have a future role in fighting acne. A

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DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred

发表于:2019-01-02 / 阅读(296) / 评论(0) 分类 2006年慢速英语(七)月

Daylight Turns Thin Plastic Barrier into Germ-Killing Material Daylight-powered germ-killing equipment may someday help protect health workers from deadly microorganisms like Ebola virus disease. That is a finding from a study published in the journa

发表于:2019-01-03 / 阅读(258) / 评论(0) 分类 2018年VOA慢速英语(四)月

1. US intelligence officials say the 24 suspects arrested in an airplane terror plot were targeting ten flights from Britain to a number of US airports. They apparently planned to ignite a peroxide -b

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67 维生素C能否破坏DNA? DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59

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DEVELOPMENT REPORT - Reusing Metal Waste Provides Work For Many in Developing Countries By Gary Garriott Broadcast: Monday, April 04, 2005 I'm Gwen Outen with the VOA Special English Development Repor

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发表于:2019-02-16 / 阅读(269) / 评论(0) 分类 早安英文
学英语单词
111IN
a dago
abbasi
actuating quantity
armed robberies
arqule
ballabile
ballast space
blackouts
blessees
brain-fags
bysily
Camellia parvisepala
camera with ground glass focusing
cherre
cockie
conservatisms
contolled
cristofori
critical damping factor
data sink
decimal string overflow trap
deglory
dictionaric
diol
dividend-received credit method
dust pan
encasing steelwork for fire protection
failed places
family bacillaceaes
filling of prescription
filter analyser
flunked out
fractal antenna
freighter
galactic halo
green technologies
group-reaction
higher fatty alcohol sulfate
hydraulic efficiency machine
inoxidize
Little Fort
loose headstock center
mercurifying
mifegynes
Mincio, Fiume
Mounds View
mounting box
mucous polyp
naysayer
negative valency
normal population
obducting
obfuscates
open arc lamp
oro-ocular facial cleft
otter
pedestrian-controlled mobile elevating work platform
pervious test
prediction error model
productive operations
puddinglike
quenepas
quentance
rachialbuminimetry
right-footed
rocker-arm plunger spring
scale trap
self-levelling
semiconductor heterjunctions
snowre
sphere assembling by piecemeal
state-owned resources
static-balanced surface
steeping lye
subclass Exopterygota
sun-winds
superlattice structure
Tabatinga, R.
tanpura
the age of reason
theyght
Thyrididae
to the windward of
transproses
tropine
turning point of reverse curve
two-electron integral
unit antenna
unlawful possessor
ursiform
user defined function
vacuum-tube-type high-frequency converter
validity checking
variate difference analysis
walks in on
wall-board switch
washing-off properties
wild quinine
wrong-headedness
X.25 network