多孔性触媒, 多孔触媒

In US, Fear of Ebola Spreads Faster than Virus 对埃博拉的恐惧比病毒传播更快 For Americans, Ebola started out as a disease in a far-away continent. But then a Liberian man, Thomas Eric Duncan, died from Ebola at a hospital in Dallas, Tex

发表于:2018-12-08 / 阅读(223) / 评论(0) 分类 2014年VOA慢速英语(十)月

This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us

发表于:2018-12-24 / 阅读(218) / 评论(0) 分类 Scientific American(七)月

What Are Blisters? Remember that hit song from the 80s that featured the chorus: And I would walk five hundred miles / and I would walk five hundred more / Just to be the man who walks a thousand miles / to fall down at your door? What sounds romanti

发表于:2018-12-31 / 阅读(153) / 评论(0) 分类 英语听力文摘 English Digest

I shall begin at the beginning, said the D.H.C. and the more zealous students recorded his intention in their notebooks: Begin at the beginning. 我从头说一说主任说,积极的学生把他的意思记进了笔记本:从头说一说。 These

发表于:2019-01-01 / 阅读(189) / 评论(0) 分类 美丽新世界

Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of

发表于:2019-01-04 / 阅读(231) / 评论(0) 分类 VOA2003(上)-社会广角

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(231) / 评论(0) 分类 Scientific American(八)月

This is Scientific American 60 Second Science, I am Sophie Bushwick, got a minute? Is the attempt to make environmentally friendly roadways doomed to wind up in the toilet? Actually, it may be the other way around. To earn a green certification, the

发表于:2019-01-08 / 阅读(211) / 评论(0) 分类 Scientific American(三)月

英语中大多数介词含义灵活,一词多义多用。除了一些常用短语已有译法外,大量介词需要从其基本意义出发,联系上下文加以灵活处理。下面简明地介绍几种基本译法。 (1)转译:英语中常

发表于:2019-01-08 / 阅读(232) / 评论(0) 分类 英语笔译

Kid Rock describes his latest album, Born Free, as organic blues-based rock and roll. Born Free is Kid Rock's first new album in more than three years. He left the comforts of his home studio in Detroit, Michigan to record the collection in Los Angel

发表于:2019-01-14 / 阅读(236) / 评论(0) 分类 VOA标准英语2011年(一月)

Belgium-Germany Border Remains Porous 德国比利时边境虽加强边检但漏洞仍多 LIGE (BELGIUM) / AACHEN (GERMANY) One of the suspected gunmen in the Nov. 13 Paris attacks, Salah Abdeslam, evaded law enforcement, made his way to Belgium, and

发表于:2019-01-14 / 阅读(235) / 评论(0) 分类 VOA标准英语2015年(十一月)

It's been 10 years now since the attacks on September 11, 2001 that killed thousands in America. For families and friends of those killed, the pain is still raw. However, the tragedy has proved a catalyst for one organization to rise out of the rubbl

发表于:2019-01-19 / 阅读(241) / 评论(0) 分类 世界各地新闻集锦

-Sheldon: The moving assembly line,that was, introduced by Henry Ford in 1908. moving assembly line: 流动装配线 moving: 活动的 assembly: 装配 introduce: 引进 流动装配线是由亨利福特在1908年引进的 -Sheldon: That innovation i

发表于:2019-01-28 / 阅读(191) / 评论(0) 分类 生活大爆炸第二季

(1)转译:英语中常用介词来表达动作意义。汉译时,可将介词转译成动词。 ①在作表语的介词短语中,介词常转译为动词,而连系动词则省略不译。如:This machine is out of repair.这台机器失修

发表于:2019-02-01 / 阅读(169) / 评论(0) 分类 英文语法词汇

英语中大多数介词含义灵活,一词多义多用。除了一些常用短语已有译法外,大量介词需要从其基本意义出发,联系上下文加以灵活处理。下面简明地介绍几种基本译法。 (1)转译:英语中常

发表于:2019-02-06 / 阅读(180) / 评论(0) 分类 实用英语

1. 转译: 英语中常用介词来表达动作意义。汉译时,可将介词转译成动词。 (1)在作表语的介词短语中,介词常转译为动词,而连系动词则省略不译。如: This machine is out of repair. 这台机器失

发表于:2019-02-09 / 阅读(200) / 评论(0) 分类 英语笔译

What has become of the water? Dry clay is full of tiny pores, and it has sucked up the water into its pores. 水上哪儿去了?干燥的粘土满是细小的孔洞,把水都吸到孔洞里去了。 Now let us mould our lump of soft clay into the

发表于:2019-02-13 / 阅读(218) / 评论(0) 分类 英国学生科学读本

U.S. military and diplomatic leaders are moving ahead on the Afghanistan strategy that President Trump laid out in a speech to the nation last night. His remarks brought reaction today from the region, and the world. Nick Schifrin begins our coverage

发表于:2019-02-13 / 阅读(185) / 评论(0) 分类 PBS访谈社会系列

JUDY WOODRUFF: For more on the resumption of relations between the U.S. and Cuba, we turn to Maria de Los Angeles Torres. She's a Cuban-born American and a professor at the University of Illinois, Chicago, where she is also executive director of the

发表于:2019-02-25 / 阅读(216) / 评论(0) 分类 PBS访谈社会系列

You are listening to this podcast on a computer, or perhaps you have downloaded it from a computer to an MP3 player. So I am sure that you know what the words hardware and software mean. Hardware means the computer itself and other machines which are

发表于:2019-03-01 / 阅读(254) / 评论(0) 分类 听播客学英语

One of the most impressive feats of muscular coordination in nature is the instance of a frog darting out its tongue in order to catch a fly. No matter how fast you are, you could never rely on plucking bugs out of the air to stay alive; but for frog

发表于:2019-03-06 / 阅读(231) / 评论(0) 分类 英语时差8,16
学英语单词
Amritsaris
anode electro-coating
antepygidial seta
ashna
associated complex
automatic recording x-ray spectrometer
autonomic imbalance
baryon-exchange model
be doormat under someone's feet
bedazzles
bicompact set
brass-pounder
brookhavens
by-office
Bych'ye
Campo Maior
caraven
Cariocan
case restore
censorship
cholicky
cigars
coacervate
cohomology of a coproduct
compartmentalized
Cooper test
desmic surface
diampromide
digital and analog output basic
digital distance measurement unit
dry your eyes
Dundrum
equivalent stopping cross-section
fallen back on
fighter (f)
flow statement
fomecin
for the benefit of
full-ended ship
galvanized iron water bucket
genus diacalpas
gross population density
gulen
gunson
international consultancy services
irradiated
irrigation level
junc
Jījīrūd
key protrusion
Kinoyoun stain
kump
Kâmed el Laouz (Kāmid al Lawz)
lady's leek
laminarities
laplaces integral
Lugovskoy
malfunction analysis detection and recorder
many-one function table
MChem
mesoridazine
milk shake
mimetick
monetisations
myciguent neobiotic
negs
nemo judex in causa sua
nodulation
Nuevo, G.
opti
oral liquid
oxygen-Bessemer
paedobaptisms
plagiostome
Planning-theory
preservers
president tafts
prom-goers
quick record
radar images
recursion
redeployment of personnel
redescribed
reserved seat
rigid-shank applicator
sandlers
self-realizations
sinuses praecervicalis
spents
standard freight scale
step recovery diode frequency multiplier
Sulfoil
Temiar
thermophilic plant
time interval indicator
toolsman
two-stage light gas gun
varnish colour
Yorkshires
Yun-ling
zonule of Zinn
ZTIP(2nd-order tangential in-phase)