氧化钼(V) {五氧化二钼}

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(81) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(76) / 评论(0) 分类 TED演讲教育篇

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(115) / 评论(0) 分类 英语新闻

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(65) / 评论(0) 分类 天天商务口语

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(56) / 评论(0) 分类 英语新闻

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(91) / 评论(0) 分类 万物简史
学英语单词
abolisher
Aggol
Alpine ibex
ALRS
antiserum anaphylaxis
armature duct
average bears
bacteria
badinages
basis grade
board-foot log rule
Bojador, C.
bottger
car collision
chargeability
clank
complementary metal-oxide semiconductor logic
complementologist
contractor demonstration test
copperleaf brush
Corvisart's facies
coupling stress
crest current
critical surface tension
Crucoli
crystallite-size distribution
cyclohexenylglycine
defeatocrats
diamond problem
differential lubricatant
dorsocentralia
dynamitic
E.M.
electric pneumatic switch
element characteristics
energy transduction
esposiziones
eutimomena paradoxa
excitating voltage
facility planning
factory-set
fibremia
file control
form-grinding
fracture belt
functional specification
galla
geodistomycetes
Gerard Manley Hopkins
hand shear cutting machine
hard-solder
Heracleonite
hot keys
in terrorem
INTREP
jack-bird
KALOKAGALIA
kanders
kashuk
Maciejowice
malignant lymphoma of colon
maltbie
mastering plant
monkied
multi-change speed
non automatic extraction turbine
opaque illuminator
open bottom mold
partial sufficiency
pavement condition index
penhouses
phenol-fiber cam
play one's hand for all it is worth
Pretty Good Privacy
probability detector
put one's hand into a hornet's nest
ransom
regiones colli lateralis
Relizon
rinspindle
sclerenchyme
shaded in
shidlovsky
silver sensitive material
silverworks
sing in adoration of
spasmodical
sputtering temperature
studio broadcasting
substantia gelatinosa centralis
symptomatic traetmetn
tap potential
taper line
technical camouflage
time division multiplexer unit
transformer with ring core
trilophosaurids
two firm model
two range winding
two-man crew station
wire screen floor pen
zero dark thirty