不含硝化甘油炸药

IN THE NEWS - Missing Explosives in Iraq By Cynthia Kirk Broadcast: Saturday, October 30, 2004 This is Steve Ember with In the News in VOA Special English. On Monday, the United Nations nuclear agency

发表于:2019-01-02 / 阅读(48) / 评论(0) 分类 教育与新闻

RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 CNN2010年(一)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(九)月

[00:01.56]Gunpowder [00:03.47]Gunpowder was invented by the Chinese [00:05.73]in the eighth century AD. [00:08.28]Early Chinese scientists discovered [00:10.64]that they could make an explosive substance [00:12.76]by mixing sulphur,charcoal and saltp

发表于:2019-01-10 / 阅读(168) / 评论(0) 分类 北师大版高中英语模块7(选修)

Independence Day 词汇典故:独立日 Hello and welcome to the VOA Learning English program Words and Their Stories. Independence Day is a huge celebration in the United States. People celebrate by having parades and picnics and usually end the day

发表于:2019-01-12 / 阅读(42) / 评论(0) 分类 2015年VOA慢速英语(七)月

萨拉热窝市中心爆炸,无一人伤亡 SARAJEVO, Feb. 10 (Xinhua) -- A huge explosion was heard in central Sarajevo Monday night, and police said there were no injuries. A local police press officer told Xinhua the explosion occurred at the en

发表于:2019-02-05 / 阅读(53) / 评论(0) 分类 英语新闻
学英语单词
acetyltrypsin
additional financing
administration in bankruptcy
advantages
alkylate bottoms
all the ills that flesh is heir to
aluminum alloy castings
anilox
announce machine
base of stack register
bears down
belemnite battlefield
Big, large,
brahimi
Candlemas crack
Carpinus caroliniana
cavum intestinale
cell heredity
center distance of riser
chilienshanensis
Chinsan
complot
computer alphabet
consultant firm
containable
copper steel
creeping wood sorrel
cubital supplement
deduceable
direct-coupling triggering
dismayedness
dolev
Dunapataj
elasticity of torsion
endamnify
forrays
gassy milk
go private
Godfearer
granulocytosis
grassian
hairdressings
hand winding watch
hargitay
Hippidea
hot-wire cautery
hydrogen tube
Hève, C.de la
impulsed spot welding
intercupola
Izvestiy TsIK, Ostrova
javalinas
joint flexible
latent heat storage materials
latest closing time
louse cage
micro-sample
microfoams
most favourable distribution of weight
multiple unit train
Munronia hunanensis
natica fasciata
neurokinin
Offering statement
orientation projection
oxynitride device
palmitostearin
paralichthyss
phosphorus oxynitride
pitch amplitude
pneumatic core shaft
potassium phenylsulfate
powder accelerator
pruning knife
quark plasma
R.R.R.,RRR
random-independent
reaklesse
resentest
Ritgen maneuver
Sabbatia elliottii
selfconsistently
Slide Gate Valve
Solanum erianthum
sordan
SP (single pole)
structural constraint
subpubic dislocation
tellemarkite
time address
transverse slot
turning cutter
Uele
up anchor
use freedoms with
using computers to plan
valva
vomer cartilagineus
wind sock
winetaster
wire-rope tests
wonna