[网络] shr

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(106) / 评论(0) 分类 Scientific American(十二)月

This is an ode to the mother goddess, that most of us in India learn when we are children. 有一首关于印度神母的颂歌,是我们大部分的印度人从小就学习的。 I learned it when I was four at my mother's knee. 在我四岁的时候

发表于:2018-12-19 / 阅读(103) / 评论(0) 分类 TED演讲教育篇

By Andre de Nesnera Washington 24 September 2007 Russia is helping Iran build a large-scale nuclear reactor, while giving it crucial support at the United Nations. But as Senior Correspondent Andr de Nesnera reports from Washington, relations between

发表于:2019-01-07 / 阅读(148) / 评论(0) 分类 2007年VOA标准英语(九月)

Iran's President Mahmoud Ahmadinejad spoke Wednesday at the opening of the Economic Cooperation Organization summit in Tehran that brings together 10 regional countries. Mahmoud Ahmadinejad (file photo) President Ahmadinejad blamed the West for the

发表于:2019-01-13 / 阅读(95) / 评论(0) 分类 VOA标准英语2009年(三月)

The Obama administration on Tuesday announced new sanctions against an array of Iranian-controlled companies, entities and individuals said to be helping Tehran evade nuclear sanctions or promote terrorism. The State Department said there are signs t

发表于:2019-02-06 / 阅读(84) / 评论(0) 分类 VOA标准英语2010年(八)月

DAVID GREENE, HOST: Well, the future of Brexit is uncertain this morning. So is the future for Prime Minister Theresa May. Really, so is the future of Britain. The prime minister is facing a vote of no confidence today. This comes after her governmen

发表于:2019-03-04 / 阅读(90) / 评论(0) 分类 2019年NPR美国国家公共电台1月
学英语单词
Acanthogobius
administrative enforcement
aerated yarn
airheating
aliphatic hydrocarbon
all-seater
anomalous process
Antitoxin-serum
apoptogenic
autosaved
barandila
be on the rack
bilge leg
bracing foot
breaker constant
canonical parameter
ceding
cherely
chinalizarin
chloromercuribenzoate
chocolate chip cookies
chunn
civil censorship
commercial house
construction and use regulations
contract limits and reportable open position
corner marks
datum layer
deoxynivalenol
diesel direct drive
disability and infirmity allowance
dog in the hunt
driving problem
Dwyka
elzeard
Ennell, L.
fall trap
fluorspar structure
Futian
future scenarios
geoxyl
give up sth
goetschies
Grönsinka
gun barrels
high energy rate forming method
incomplete compensatory pause
jointly and severally
keep up ... spirits
keratoplsia
Keteleeria fortunei
line of declination
liver of sulphur
local-option
main shoe
makinoa crispata miyake
manganese silicon tool steel
mcveighs
mercury reservoir
microinsular
milelong
mingrelians
modifier area
moratti
noncausally
nonchocolate
normalisable
o-aminophenylglyoxylic acid
oil pump testing device
overspeed trip mechanism
Passoré, Prov.de
picea aurantiaca mast.
platform scale weighting bridge
playsheets
power words
praco
RapidIO
Reichert's recess
rubble ashlar
sclerotoid
security breaches
seed stitches
sevensomes
softcoded
split an infinitive
Strauss, Johann
tapered leaf spring
tenebrificate
The Earth
thickening of vocal cords
top-grade wood carving tool
transistor differential amplification circuit
twill
unordain
uroptychus orientalis
Vehicle Risk
waterson
Widal test
working field
xenocarpy
Yoshiwa
zone of rejuvenation