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(71) / 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(77) / 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(105) / 评论(0) 分类 CCTV9英语新闻2014年05月
学英语单词
absorbent material
aciulum
Adilang
Adradas
adynamic
auger matrix effect
automatic engine test stand
axiform
ballroom-dance
bi(cyclohexyl)yl
bibiana
bis(heteroaryl)piperazine
books of esther
boutique hotel
braneworld
burn notice
capacitance error selector
citrate soluble
clear one's name
closed convex function
collinearities
colored roundel
contamination of mother's milk
contractile organ
core radial power distribution
coupler socket
cut off command
cyagra
diagonal
diffused-junction detector
disassembling equipment
discolorise
dow jones news
Fisher's F distribution
flitter-mouse
foresheets
geologic province
guestimates
HBPT
hemp-agrimony
hoist slack-brake switch
hospital occupancy
i/p transducer
immunopellet
intensity level
job instruction sheet
know no boundaries
LBHT
let ... ride
linear explanatory economic model
medium-frequency oscillator
miscellaneous store
model tormulation
musculi abductor pollicis longus
Myoblock
nonopaque
notional
numerical magnitude
off-gas storage tank
ophthamalgia
Oradol
order conodontas
Paleo-American
pancreatic ducts
phyto-photodermatitis
plastic section modulus
praeflorens
preeminences
quadriplane
quimby
quizzically
randomish
replenishment winch
rhizome of cogon satintail
Roger Sessions
sanguinarian
sans doute
schlender
seemest
selfretainingretractor
slubbing
smoothing methods
space harmonics
spray hitter
striped
superplastic forging
suspended-growth biological process
tankage press
Tauchnitz, Karl Christian Traugott
toxicodermatosis
Trans World Airlines
transfer-in without compensation
tribrachs
unformidable
unpointedness
van den Berg reaction
vehicle interior noise
ventolin ampoule
Wartenberg's symptom
water pump seal retainer
world-championship
zlatkoes