音标:[,ɒzmɪ'rɪdɪəm] ;
n. 铱锇矿

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(323) / 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(295) / 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(308) / 评论(0) 分类 CCTV9英语新闻2014年05月
学英语单词
Alangium alpinum
Alvignac
backward-difference
basephilous plant
belly-ful
betatron induction accelerator
Bidocef
Blaze Advisor
bomb sampler
boundary growth rate
Capsula tonsillaris
cartwhipped
catastasis
Chadds Ford
Chirita tibetica
chromosols
Creolian
cyflufenamid
Dampoentoeng
debt cancellation
deficiency need(d-need)
detailed questions
Diamond Bar
dibutyltin maleate
diffusion chips
division of intestine
draft filly
drop bear
elevated plus maze
eyemo
f1 generation
far-ranging
female internal reproductive organs
fused-junction diode
general-cargo rate
grei
greycoat
grouse disease
hemipsocus chloroticus
hen-hearted
Her Royal Highness
home building
i-bands
jack lift
Kargi
karl benz
Kimstad
Lawrence,Ernest Orlando
legal expenses
Malyy Yenisey
measures for pollution control
medocs
microseismic data
mixture-of-distribution
mooring band
NAVSOC
near collision
nickel copper ferrite
optical isomerism
palmyra fibre
pennellii
personality-situation interaction
pfi
phototropic bacterias
physics of materials
place-value
plastic paper
potentiometer braking controller
prickly-pear
proactive fiscal policy
quantitative analyze
reitveld
ropred
ship maneuverability
shop riveting
Sinobambusa rubroligula
sinter conveyer
sombrest
sparsely-populateds
staining
staurobaryte
strategic operation
stupar
subroutine instruction
sylvaticus
tapser
tentaculate
Tetracidaris
the cleaners
thermistor controller
tierces
tracing feed
trussed portal
types of pelvis
unbound electron
user main storage map
usfsa
waste density
water mouse
Wellington Internat.Airport
zona gale