[化] 有机铝聚合物

This is the VOA Special English Health Report. A.D.H.D. is attention deficit hyperactivity disorder. Government estimates say three to seven percent of school-age children in the United States have it. Adults can also have it. People with A.D.H.D. ha

发表于:2018-12-16 / 阅读(106) / 评论(0) 分类 2010年VOA慢速英语(五)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(146) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 Scientific American(一)月

The aluminium smelter at Tiwai Point near Invercargill opened in 1971. It had a contract to buy cheap electricity, generated by hydro-electricity from Lake Manapouri which is not far away. Now in 2013, 13% of all electricity generated in New Zealand,

发表于:2018-12-31 / 阅读(164) / 评论(0) 分类 新西兰英语

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(163) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(210) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(212) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(122) / 评论(0) 分类 2016年VOA慢速英语(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(232) / 评论(0) 分类 VOA标准英语2016年(二月)

A: I am looking for a pan. B: No problem. What size would you like? A: A big one would be nice. B: How about this one? It's our biggest16 in diameter. A: Oh, yes. I like that one. But it's too heavy. B: Okay, try this one. It's made of aluminum. A: O

发表于:2019-01-20 / 阅读(189) / 评论(0) 分类 购物英语对话

A: Can you help me find a pan? B: Are you looking for a small, medium, or large pan? A: I want a big pan. B: Does this one look big enough? A: Yes, it's the right size, but it weighs too much. B: Well, what do you think of the aluminum pan? A: It's l

发表于:2019-01-20 / 阅读(203) / 评论(0) 分类 购物英语对话

A: I'd like to purchase a pan. B: Is there any particular size that you want? A: Well, I cook a lot of big meals. B: What do you think of this one? It's a 16 pan. A: Yes, that's the right size, but it's so heavy. B: Well, look at our aluminum pan. It

发表于:2019-01-20 / 阅读(169) / 评论(0) 分类 购物英语对话

Selfies could soon be even sharper, if claims about Apple's next iPhone are confirmed. 若关于下一代iPhone的推测属实,自拍体验或许会更加炫酷。 Experts analysed the recent test version of iOS 9 released by the firm - and founds

发表于:2019-02-02 / 阅读(133) / 评论(0) 分类 阅读空间

Two fresh attacks by short sellers on Hong Kong-listed stocks are testing the citys efforts to limit companies ability to halt their shares from trading without answering allegations. 卖空者对香港上市股票发起的两起最新袭击,正在考

发表于:2019-02-03 / 阅读(113) / 评论(0) 分类 英语新闻

1. The search continues for 20-year-old Lauren Spierer. Police have few leads but suspect foul play in the disappearance of the Indiana University sophomore who has been missing for five days. 2. Moammar Gadhafi stood defiant in the face of the heavi

发表于:2019-02-11 / 阅读(208) / 评论(0) 分类 美联社新闻一分钟2011(六月)

And是一个常用的并列连词。其一般的用法和译法,已有不少文章论及。本文仅就and的一些特殊用法作一简单介绍。 一、And前后的两部分表示同时发生的动作,或同时存在的属性、特征等可译为

发表于:2019-02-13 / 阅读(161) / 评论(0) 分类 英文语法词汇

Current-account imbalances are not always a cause for concern. 经常账户失衡并不总是一件令人担忧的事。 As a matter of arithmetic, they measure the gap between domestic savings and investment. 基于数理逻辑,他们对国内储蓄

发表于:2019-02-17 / 阅读(133) / 评论(0) 分类 经济学人财经系列

In the small village of Lasanayah, Mamadou Kalissa looks out over his ancestral home. 在Lasanayah的一个小村庄里,马马杜卡利萨朝着自己的老家看去。 Last year it was farmland but now bauxite mining has turned it into a Martian l

发表于:2019-02-24 / 阅读(170) / 评论(0) 分类 经济学人商业系列
学英语单词
a spa
AlutanDiponium
analvos
angular modulation IR system
arborescent
be involved
Bilād Zahrān
business risk and insurance
calyptraea morbida
carrying kilometres
chacins
chlorophatinate
cmhcs
communicating word-processing equipment
company commander
concrete placing plant
converging flow technique
cystoureterogram
deflector crown piston
desuperheating zone
Dornelas
dyal
effective pillar area
employee turnovers
equity-like
eutrophic lake
external device
fork tidbits
FPTAS
fractional system
fumeol
gitter
go through someone's hands
graphite column
guided missile accelerometer
hand-knotted carpet
herbert george wellss
hexanitromannitol
hostile environment
hyperanalytic
hyperbolick
in activation
incompressible atmosphere
insam
international transit cargo
jobs
keep soil from packing together
key display call indicator
Koluel Kayke
kurzejeski
label(l)ed compound
labium tympanicum
laboratory paper machine
leveling wye level
lewan
light-distribution photometer
make a good start
masticarcinoma
megacurie
monovibrator
narrow fabric loom
open ... eyes
partes horizontalis
pasadenas
peachcare
plug on terminator
porogamy
power take-off shaft horsepower
principal continuous series
probabilistic rule
quench-fire
rate of live weight growth
reindeer lichens
reinstill
rescue radio beacon
rocker vat
rule of iteration
scoma
screen sth off
sharav
shatter
single layer perceptron
Sinkukwe
spleno-renal arterial anastomosis
steam reservoir
structure-of-intellect model(soi)
summerton
take the fall
to blow the gab
toplimit
torygraphs
trial pile
Tsuno-shima
twist-link type tyre chain
tympanic plexus
unmesmerized
ver du Cayor
viceregencies
viscosities
wicksteeds
Y pipe
zccm