苯酚与丙酮缩合

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

发表于:2018-12-02 / 阅读(85) / 评论(0) 分类 Scientific American(十二)月

[00:13.67]THE PUB [00:18.89]酒吧 [00:30.54]I worked in my local pub and over the weekends [00:34.50]and some times during the week [00:36.88]I would stay over there with the other bar manager. [00:40.70]We shared a room. [00:42.51]It wasn't strange t

发表于:2018-12-11 / 阅读(77) / 评论(0) 分类 英语灵异故事

This is the VOA Special English Health Report. Bisphenol A is a chemical widely used to make hard, polycarbonate plastic. Food storage containers, reusable water bottles and baby bottles are among the many different products that may contain BPA. BP

发表于:2018-12-15 / 阅读(93) / 评论(0) 分类 VOA慢速英语2008年(九)月

Simple New Test Detects Early Signs of Diabetes 新型简单测试或能检测出糖尿病早期迹象 People with Type 1 diabetes, usually diagnosed in children and young adults, must take insulin injections and watch their diet to keep their blood

发表于:2018-12-16 / 阅读(54) / 评论(0) 分类 VOA标准英语2015年(一月)

Air pollution outside is easy to spot, hanging over the city, or sputtering from a tailpipe. But there's lot of indoor air pollution, too, even if it's not as obvious. It's caused by volatile organic compounds, or VOCs. They can come from building ma

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 2016年Scientific American(八)月

This is scientific American sixty seconds science. I am Amy Kraft. Got a minute? Sweat potatoes contains fiber, vitamin A and calcium, but the way that scientists think they can make them even more healthful is literally shocking. Researchers found t

发表于:2018-12-24 / 阅读(62) / 评论(0) 分类 Scientific American(八)月

Amber: Hello, Im Amber and youre listening to bbclearningenglish.com. In Entertainment today, we visit the largest art event in the Arab world - the Sharjah Art Biennial in the United Arab Emirates. (A biennial is an event that happens every 2 years.

发表于:2018-12-28 / 阅读(53) / 评论(0) 分类 英语听和读

-Sheldon:Fellow warriors, This is Sheldor the conqueror. Fellow:同伴 warrior:武士 conqueror:征服者 【Sheldor:Sheldon在游戏中的人物名】 战友们,我是征服者Sheldor。 We are about to enter Axidus' fortress. enter:进入

发表于:2019-01-01 / 阅读(69) / 评论(0) 分类 生活大爆炸第二季

By Carol Pearson Washington 04 July 2007 Researchers have found that chocolate dark chocolate is good for your heart. They say it may stave off hardening of the arteries among smokers, and it has more antioxidants per gram than red wine, green tea or

发表于:2019-01-06 / 阅读(102) / 评论(0) 分类 2007年VOA标准英语(七月)

1. The Dow Industrials rose nearly 142 points after more than a 500-point drop Monday. The move came as the Fed left interest rates unchanged and also pumped 70 billion dollars into the financial system. 2. Residents of Galveston in Texas have been

发表于:2019-01-11 / 阅读(163) / 评论(0) 分类 美联社新闻一分钟2008年(九)月

SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to

发表于:2019-01-30 / 阅读(104) / 评论(0) 分类 科技之光

By Melinda Smith Washington 08 August 2007 Scientists are concerned about the health risks of an ingredient in many of the plastic containers used for food and drinks Bisphenol A or BPA is a common chemical used to make tough, shatter-resistant plast

发表于:2019-02-03 / 阅读(86) / 评论(0) 分类 2007年VOA标准英语(八月)

财大气粗的迪拜不仅拥有世界最高建筑哈利法塔、世界最大人工岛棕榈岛和最大的购物商场,还将打造全球第一家自带热带雨林的高科技奢华酒店。除了7000平米的热带雨林,这家希尔顿旗下的

发表于:2019-02-07 / 阅读(134) / 评论(0) 分类 实用英语

BRUSSELS, May 31 (Xinhua) -- Baby bottles containing the substance Bisphenol A (BPA) would have to be pulled from the shelves across the European Union (EU) starting from Wednesday, in a milestone move to better protect the health of EU citizens, an

发表于:2019-02-08 / 阅读(88) / 评论(0) 分类 英语新闻

Do you have the guts to part ways with all those broken gadgets, notepads and pens? This 10 step office cleanup guide should have you neat and tidy in no time. Try to spend just one minute on each task, and move quickly. 10. Paper Why its messy: Pape

发表于:2019-02-09 / 阅读(238) / 评论(0) 分类 英语小短文

The relationship between words and their meaning is a fascinating one, and linguists have spent countless years deconstructing it, taking it apart letter by letter, and trying to figure out why there are so many feelings and ideas that we cannot even

发表于:2019-02-09 / 阅读(131) / 评论(0) 分类 英语笔译

Tea has complex compounds called polyphenols which are believed to help the arteries to relax or dilate, thus enabling a smoother flow of blood. 茶中含有一种叫多酚的复杂混合物。这种物质据信能帮助放松或扩张动脉,从而使

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 实用英语

听力内容有不详尽之处啊,欢迎大家留言讨论,纠正。谢谢 在线英语听力室http://www.tingroom.com Wed wines,it contains polyphenol, which have anti-accident properties.And those are known to accede lower our blood pressure b

发表于:2019-02-28 / 阅读(87) / 评论(0) 分类 访谈录2012年

Every time i go to the grocery stores,i consider buying Organic vegetables because they are supposed to be healthier or something,but they are also moreexpensive. So is it worth it to pay more for the supposed health benefits? Well, it might be w

发表于:2019-03-06 / 阅读(103) / 评论(0) 分类 英语时差8,16

The chief mate of the Pequod was Starbuck, a native of Nantucket, and a Quaker by descent. 裴廓德号的大副叫斯达巴克,他是个南塔开特土著,也是个桂克的后代。 He was a long, earnest man, and though born on an icy coast, seeme

发表于:2019-03-10 / 阅读(120) / 评论(0) 分类 白鲸记
学英语单词
-taxes
acellular gland
advanced registry of merit
Aidia salicifolia
ATTP
battery limit
behind-door
biogeochemical survey
bloomaries
boron-loaded scintilation counter
centre of winch drum height
chair arm
Chichevache
chickabee
clarified honey
cliometricians
collection coefficient
compensator aperture
concha ossis sphenoidis
conchiolin osteomyelitis
cutten
dazzle gun
dicerotin
dispossessedness
diurnal wind
dosing
Dulphalac
dyap-
electrical converters
equivalent wavelength
exclusive selling agent
expatriate factor
F keys
feherty
fermentings
flat steel bar
foreyards
fornicated
Gorelaya Sopka, Vulkan
gradungulids
have many demands upon one's time
indirect laryngoscope
inferior grade
inner sanctum
instantaneous efficiency
intermediate shaft assembly
intraoral incision and drainage
ivam
languish over
lateral lymph nodes
Le Trou Sans Fond Canyon
lipophile
Lipsky separator
made the rounds
magnetic barriers
Mandaza
manganous ammonium phosphate
mediational
mesne process
momics
need for speed
Nocertone
osterhout
oxymorphine
phaseolus bean
phospholipin
piazzoni
place plate
polluter-pay
PPW
preference dividend
radiation lethality
railex
rapid determination kit for blood acidity
ratio-to-moving average method
Redstone Arsenal
relativistic dilatation
resin finishing agent
response voltage pulse characteristics
retinal pigment cells
Sal, Cay
Schwediauer's disease
speech codec
sub-mark
subcylindrical
suction heater
sweet bitch
tactile controlled hand
tenuated
thallium sesquisulfide
themba
thistle crown
through going-tie-rod
to make sb acquainted with...
to the highest degree
trans fatty acids
type by original designation
underdraught
unedged lumber
voice system vocabulary size
wheel cap
whirly