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(159) / 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(155) / 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(191) / 评论(0) 分类 CCTV9英语新闻2014年05月
学英语单词
accessories of drilling machine
accommodating accounts
aggrandizement effect
aldinghams
aloetic
amniotic menbrane
angel's share
be careful about
Beauquesne
berthes
bilaminar blastoderm
black and white bulb thermometer
blastin'
Button B.
catching some rays
centre mark
Chevalier de Lamarck
chile con carne
cis-trans isomerism
cleaves to
coker gasoline
crosshead links
derived rubber
dewworms
epipodites
erythrotaenias
establish a corner in
ever-lovings
extramedullary hemopoiesis
facing brick
fuzzy neuron
Galatella fastigiiformis
Gangneung
gas-activated battery
Gasterophilus haemorrhoidalis
gravity-type boat davit
hap-type rudder
He that dies pays all debts.
heythrop
hibernate state
hookish
horribilis
idle facilities
inshirt
intarsist
iodo-eugenol
job-creatings
kip out
knesseths
knock-test engine
lateral force axis
lewter
lopobutan
luminescence sorting
lye pump
macro symbol table
main propulsion plant
Maywood
mesledine
Messdorf
missigned
monofonic
monthly mean of daily minimum temperature
multiplication neutrons
nalla
ninepennies
nonsolution
normalization (in database)
obliquely slotted motor
open account area
outgenerals
over-voltage suppressor
perfectly separable
Petajisto
polyparasitism
psalterer
QAWG
radix sympathica ganglii ptorygopalatini
rapidoprint
roumain
Sangowo
scumbled
selenopids
shelf hydraulic regime
Skiathou, Diavlos
spits up
standard cone crusher
terminal repetition
through drainage
to-dates
Toposar
translatory movement
Ulaantolgoy
unit horsepower
unproved
variable cross section beam
waterboardings
weather protected motor
Welwitschiopsida
Wyeth,Newell Convers
wyntons
Yik