氧化铬(II) {一氧化铬}

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(57) / 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(95) / 评论(0) 分类 万物简史
学英语单词
Acremonium
adenoid curette
alligators
alphaherpesvirus
anticlockwise movement
apotropaically
at the end of summer
atyrpical mitosis
C. A. J.
color photo micrograph
competent bed
corona dischange
cotton sleeving
cyclical sequence
daily commuting sphere
deluxe
discutable
divided share
divsions
duplex measurement
electric level
emptive
epiphysel foramen
estivated
Eutreptiina
expansion of capital value
fat dicks
Ficus variolosa
flipflops
frequency transformation
gasoline roller
General National Vocational Qualification
get sb's eye
Graveolinine
have brass balls
heading syntax
hereditary peerage
high-low inversion
Hobro
hood poop
Il'insko-Podomskoye
incatenate
Kedah, Sungei
komarov
Mahabe
marketing profit center
monomolecular elimination reaction
moravian gate
multiple core
multiple mold
Munsell soil charts
nacareniobsite- (ce)
nasulgc
non-degeneracy
nonadoptive
overlap kernel
Plant Load
power density monitoring
premodification
progressive signal system
proMBP
protactinium pentafluoride
public firm
Pātrasāer
quality control and reliability
ravoux
require performance
rhythmicalness
Sabouraud's culture-medium
saw-tooth hob
school dinners
secondary leakage flux
sero-survey
shallowly
shebo
shifting cultivation
shorey
shutdown schedule
slap on
Sm-EDTMP
smokebox extension
sovereignly
spoiled goods report
statistical estimation method
superposed ripple mark
telephone number
test-driven development
testis supporting cells
thorbourne
to maneuver
toadstool
unentangling
universal micro probe analyzer
universal specialization reasoning
unsubtly
virtual corporation
wavinesses
wood seasoning
writ of habeas corpus
Xylosma Forst. f.
Y-directions