[化] 军用炸药

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(79) / 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
algebraic method
all's fair in love and war
amesses
Amirante Basin
Audit Bureau of Circulation
autofax
balm
Bangalored
begonia aptera
Biomorphyl
black border effect
borrow ideas from
busy hour call
cask washing
civilian government
coal har.
coloured egg-candling chart
comfimeter
cross member clinch unt
cuboite
delay assignment
deoptimization
derive from something
direction bearing
dissimilies
dolichopeza (nesopeza) lugubrivestis
drift
Dynkin
e-form
elevating work platform
exhaust particulate
extra-galactic nebula
facies atticularis navicularis
faiences
FNSIM
form roll
fulgenic acid
gaiser
gas-chromatography
glaucostegus granulatus
goal keeper
Grand Erg de Bilma
Guldberg-Waage's law
Hadagalli
hanging drop culture
hsien ch'ih
hydraulic-slip loss
inconfidence
iso-amyl alcohol
joint spacing
kaltschmitt
lack of credibility in
legal limbo
list of various piping lengths
loess region
macaroni with sliced beef
methylorange
MI (manual input)
Mieraslompolo
mimic hormone
misthreads
Narromine
network program
nevado de colimas
nonfaradaic path
Old Pals Act
operating transient
orphanries
ossa metatarsi
over head and head over ears in
physician markets
pigment minerals
pin-roller fibrillator
piperonylpiperazine
podolide
Pratia wollastonii
protection and idemnity insurance
radar target simulator
rhasons
run off tab
sand darter
scopolamine poisoning
snowshovel
stack pallet
steroidogeneses
stock prepartion
studio crane
systems biology
take the can
target rifle
tax-exemptions
terrigenous provenance
toughened
transport bomber
ultrahigh vacuum technics
UPI
uranius
vaccination set kit
valmonts
weep about
wible
wire casing