barium oxide
【化学】氧化钡[亦作 baryta, barium monoxide,barium protoxide]

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
abidingness
Adiāla
AFAIC
ageing resistant grease
alcohol-fermented milk
analysis of essays by computer
Anglaspis
angle of dihedral
at a steady pace
baetulus
Balistab
be fine
bewildering
bundled off
busbar disconnecting switch
cadmium selenide
Cardiosource
catalytic reduction
caviar to the general
CCA pyrophosphorylase CCA
cell biology
cladding vault
co-axial
continuous correspondence
cultured cream
data analysis and technique development center
data collection subsystem
de-winging apparatus
dehydrocholalic acid
demographic genetics
Digitaria stricta
direct social labor
egodystonic
Egyptian Maus
Emilia sonchifolia var. javanica
equatorial (calm) belt
erection by protrusion
Erodium hoefftianum
Galois, Evarisie
go in for the law
greenhide
guidons
Gynostemma pubescens
halofantrines
hematoma of cord
hudsonian godwits
iatrochemists
ionization chamber
lacquer type organic coating
large bell diameter
leiocarpum
light locomotive
little brown bats
Mackem
maltesest
MCMOPS
metastable type
microelectrode
mousebane
multijacketed system
multioffice
naked confession
National Assembly for Wales
NewSQL
nu metal
Nyctimene
open vehicle
osteogenic zone
overburden potential
Oxytropis muricata
paper tape decoder
partche
particles in injected water
phenoluria
piezoelectric generator
predecessour
protamone
protein fiber
Purbeck stone
rectangulated
rest for a while
routine item
scapular notch
sirmarks
slatted core box
soil loss tolerance limit
stereochemical structure
straight-side hydraulic press
Sunae
super speed
talk somebody into something
tas operation
telescope box
There is a time for everything.
topiarist
trabeculae carneae cordis
tuberculosis mortality rate
us she
vernolepin
Volkmann's membranes
Wasmannian mimicry
witchfinder