un. 辐射性穿过物质
[网络] 对辐射透明物质

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

发表于:2018-12-02 / 阅读(67) / 评论(0) 分类 Scientific American(十二)月

This is the VOA Special English Health Report. The crisis at the damaged Fukushima Dai-Ichi Nuclear Power Station in northern Japan has raised worries about radiation risks. We spoke Tuesday with Jonathan Links, an expert in radiation health sciences

发表于:2018-12-16 / 阅读(39) / 评论(0) 分类 2011年VOA慢速英语(三)月

This is Scientific Americans 60-Second Science. I'm Cynthia Graber.This will just take a minute. Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain. But

发表于:2018-12-24 / 阅读(25) / 评论(0) 分类 Scientific American(八)月

ENVIRONMENT REPORT — March 15, 2002: Nuclear Pollution and Cancer By Mario Ritter This is the VOA Special English ENVIRONMENT REPORT. A recent report by the USA Today newspaper says that a large amo

发表于:2019-01-04 / 阅读(39) / 评论(0) 分类 健康与环境

Soon, your phone's cracked screen may have its own healing factor. 在不久的将来,摔碎的手机屏幕或将能够自我修复。 Scientists from the Department of Chemistry at the University of California, Riverside have developed a self-heal

发表于:2019-01-07 / 阅读(25) / 评论(0) 分类 英语新闻

Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 VOA标准英语2014年(二月)
学英语单词
109PD
3-thiacytidinem
airball
anterior palatine vacuity
antineuralgics
as good as a play
Atlantic bonito
bank loan payable
be an open secret
be hard upon
benedictional
brachets
brewing diagram
Bromley Cross
build
building office
caskade
cerebellar vallecula
Ch'angchǒn-dong
circulating water discharge creek
Cloramina
co-educated
colic root
compass deviation card
consumer standard
control law of flareout
Cornish Rex
damaged by hooks
data port
declaration of deadweight tonnage of cargo
decomposition bath
double-amplitude-modulation multiplier
enteroantigen
Epidermolysins
equivalent circuit model
ferrite malleable iron
ferro-phosphorus
filler nozzle
finedraws
four-string guitar
generating function of linkage mechanism synthesis
guandao
Guard-call
habenular striae
hawfinches
hermon
hyphantrias
igus
karoake
key way pull broach
kimbrel
liquid outles
long-line traveing-wave antenna
low(er) heat(ing) value
main jet spray hole
maintenance postponement
manufacture cost
mevlana
micro-meteorological evaluation
modeltest
Moinian
multiplied by
non-productive construction
nonmycorrhizal
nonparticulate radiations
noy
nyctophobic
optical pulse measurements
pantoprazole
pictoric
point contact rectifier
printing off
program trace
pterygoideus muscle
radar air traffic control
red ruby
reflex viewer
response relation
returned cargo
reverse power protection
Rheum racemiferum
rotary oil burner
roupell
scopomorphinism
semi-custom array
service outsourcing
shabbos goy
shuffling
special-operations
spider and fly
sugar-apple
supership
surrender one's bail
tax dodger
thread take-up cam
U.S.V.
Umbundu
undecolic acid
vfo (variable-frequency oscillator)
vox nihili
yakkier
zirconium hydroxyoxalate