二硫化铱 {硫化铱(IV)}

The K-T boundary marks the end of the age of dinosaurs, and the beginning of the age of mammals. KT界限层标志着恐龙时代的终点和哺乳动物时代的开端。 But does the K-T boundary really signify the absolute end of all dinosaurs? 不过

发表于:2018-12-28 / 阅读(115) / 评论(0) 分类 侏罗纪搏击俱乐部

US Company Developing Space-Based Plane Tracking 美国公司开发太空基地飞机追踪技术 LEESBURG, VA One of the reasons Malaysia Airlines flight MH370 hasn't been found is because the plane couldn't be tracked continuously over the ocean. I

发表于:2019-01-14 / 阅读(120) / 评论(0) 分类 VOA标准英语2015年(八月)

A radioactive source which went missing four days ago has been found on Saturday evening. An Iridium 192 source, which was used to inspect a Sinopec industrial device in Nanjing by a testing company, had gone missing on Wednesday. Ten people in the s

发表于:2019-02-08 / 阅读(155) / 评论(0) 分类 CCTV9英语新闻2014年05月
学英语单词
acropigmentatio reticularis inversa
afzclin
agricultural institute
alkyltitanium compound
amplification circuit
Astillero
authorised agent
automatic bus transfer equipment
azo foaming agent
bacteriostatically
Baruch, Bernard Mannes
bead saw
beginning teacher
Bio-Research Laboratory
blowdown vessel
boosters without detonator
breyfogle
caducities
cell division lag(ryan 1954)
center segregation
certigier
character line generator
circumstellar matter
coil width
colic surface
couldn've
curtes
Ded Moroz
diacria trispinosa
dismays
e.m.u. electromagnetic unit
easy-to-fly
electrotonic effect
embathe
end block
floating center sill
formula of processing solution
furnace equipment
Gartner hype cycle
generalised
Global Depository Receipt
green coffee
Harvard-Draper sequence
herkin'
hersilia asiatica
hexose gallic acid ester
hurmen
hypercardia
in breeding program
in the eye
infinite extent
jib sheave
latanoprost
life-searching out of earth
lime process
Litha
long-staplest
magneto-optical rotation
mastogloia apiculata
Microsporum furfur
millimeter wave isolator
Mommsen, Theodor
Na131I
neurocirculatory
non tidal
nymphaea albas
oligomycin a
operational efficiency
optical iridectomy
over-achievers
paddle wheel agitator
pass-test
phyllopodan
plaiting down apparatus
prepacked gravel liner
Promedrol
qualified manpower
rectal suppository mould
rezzies
schenkkan
scrap charging crane
sepulchrum play
single fingerprint registration
SMSC
splat cooling
star cable-stay bridge
stoichiometric composition
structural error
subjugable
subtlenesses
supergauge field theory
syncitia
task center
Terezina
thick Ethernet cable
touvier
Tsuken-jima
Tudu
valerianate
Wasserorgel
weight percent concentration
westsiders