音标:['pɔ:rəsnəs] ;
多孔性
n the property of being porous; being able to absorb fluids
词型变化:名词复数形式 : porousnesses
词性分布:
名词100%
【近义词】

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(53) / 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(91) / 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(53) / 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(58) / 评论(0) 分类 美丽新世界

1. Use teeth whitening floss 用美白牙线 Tooth floss is an absolute must-have. We are sure that you already have this item in your bathroom. However, tooth floss with whitening components will not only clean your teeth. It will also help you keep

发表于:2019-01-03 / 阅读(69) / 评论(0) 分类 阅读空间

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(115) / 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(102) / 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(80) / 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(99) / 评论(0) 分类 英语笔译

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(83) / 评论(0) 分类 VOA标准英语2015年(十一月)

-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(64) / 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(61) / 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(43) / 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(61) / 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(86) / 评论(0) 分类 英国学生科学读本

As good a thinker as you evidently are, you have not thought on this subject, I suspect. 依我看,你这位显而易见的思想敏锐者,并未考虑这一论题。 It took me a week, in all, I presume, of hard thinking, 我整整花费一周时间

发表于:2019-02-13 / 阅读(52) / 评论(0) 分类 美国语文第五册

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(50) / 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(93) / 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(112) / 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(127) / 评论(0) 分类 英语时差8,16
学英语单词
a-type boiler
abiding places
accelerating conductor or relay
act up to one's opinion
adamantoids
AG out
amplidyne control unit
amplitude-squeezed light
AMVER
Archaeozoon
asymbiotic nitrogen fixation
atomic packing factor
autocap
bachem
Bergerocactus
black nationalist,Black Nationalist
calate
call signal
carpenter ants
cathode ray gun
chemical fastness
citizen's advocate centre
coal briquette
count against sb
delessio
descent orbit insertion
dittogrphy
dolores vagi
dreamina
earth-eater
emergency bilge suction valve
environmental pharmacology
eye tracking unit
fara
fe-s protein
font type
generation of trip
genuine turpentine oil
goods in bulk
grandiflora
gross start-stop distortion
guest rooms
have somebody by the short hairs
illtyd
intermodel
joffes
kill the enemy
macro directory
media globalization
meningoencephalitides
minimum deflection angle
mobile-river
moon face
mutual most-favored-nation clause
nemery
neoplatin
Nerdwallet
nominal size of pipe
norbert wieners
nuclear design calculations
once-dilapidated
open the way for
orthochronous
panchetti
peloponnesos (morea)
phonon coupled level
phytoclimate
plugged steel
potential capillarity
premium digital content
prester
previous-carry digit
program manager
psychotherapy in dermatological non-disease
pulsed ring
pursuers
r.s
racial stereotype
reflecting component
science and applications
Scourge of God
self-learners
set column markers
sheep maggot
sischanensis
slaved system
snetterton
sodium cooled valves
square of Pegasus
stop-over
storified
super-long stroke crosshead diesel engine
sustained transfer rate
the victims of the earthquake
triangular plug
Trogontherium
undercut trimmer saw
unhinged
value add
voltage overshoot
with the speed of
writable control storage programming