音标:['rɔdәpin] ;
玫红品, 紫菌红素乙

在今天我们要讲的两个习惯用语里,一个关键的字就是:pin。Pin这个字单独用的时候可以解释为:别针。但是,pin这个字也有不少和其他字合在一起用的时

发表于:2018-12-01 / 阅读(130) / 评论(0) 分类 美国习惯用语

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(63) / 评论(0) 分类 国家地理2008年

发表于:2018-12-13 / 阅读(88) / 评论(0) 分类 Wee Sing Around the World

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发表于:2019-02-10 / 阅读(142) / 评论(0) 分类 加州英语分级GK

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发表于:2019-02-10 / 阅读(131) / 评论(0) 分类 加州英语分级GK

Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400

发表于:2019-02-26 / 阅读(148) / 评论(0) 分类 自然百科2008年
学英语单词
active power relay
am field signature
ananas comosus variegatusa
animal legs
antistaining
assisstants
avoirdupois units
basementless
bat the breeze
bell-doksum test
big sciences
bigrid valve
bogus demand and supply system
bututs
called calling
central executive
concrete-reinforcing steel
congealability
conjugate quadratic surd expression
coolant level sensor
cytosterility
day-to-day account
deagnostic error message
defensive stock
depth of foundation
despisement
Dihydrin
disk inking
dormaunt
drift diameter
El Segundo
electrode field
EXPS
federal power commission
Felis serval
fifty-plus
foreign money
funding instrument
Geoglossaceae
gilding metal
go strong
grappling-iron
guiding clearance
ice-boats
induction weld mill
instalment and interest charge
lefkovitz
line array
Machattie, L.
machine-embroidereds
marine affairs institute
maximum chain
micrite
moss-moor
most favored reinsurance clause
Mulki
muon catalyzed fusion
Nasorolevu
neo-barb
non-navigable
nougat cutting machine
out of stock
outside the law
overinfluential
palolo
patheticly
Peabody bird
peraluminous rock
periadventitial
pomaceous
population-income sequence
precision coordinatograph
radioactive thickness gage
raisin moths
rearomatizing
rhamnus utilis decne
sales system
sand-shale velocity
Saulzais-le-Potier
scene-stealer
selected alkylation process
skow
slothfulness
software maintenance
solo operation
spectrum, sound
standard tensile-test core
Tau star
telegraph system analyzer
test class
throttle governing
tin soldering
tip of the iceberg
tone ending
trouble-free landing
urban warming
vaccinia necrosum
vauntless
Vissac-Auteyrac
waterfall scenic spot
wet willies
whipping top