磷易与氧化合

competition and cooperation Competition is a common phenomenon in our society, we compete when we play games; we compete in our study and we constantly compete for jobs, customers and profit, etc. We can say that competition is the one of the motives

发表于:2018-11-28 / 阅读(276) / 评论(0) 分类 疯狂英语易背作文

Researchers say a pill could soon send radio signals from inside your stomach to help doctors recognize signs of disease. Scientists have developed a small pill for patients to swallow. It mixes synthetic biology and electronics to find bleeding in t

发表于:2018-12-08 / 阅读(176) / 评论(0) 分类 2018年VOA慢速英语(六)月

By Paul Sisco Washington 30 April 2008 An artist based in Los Angeles, California, is attracting attention with a showing of his work that combines video, audio and sculpture. Video art, or what some call new media art, has been around for some time.

发表于:2018-12-08 / 阅读(152) / 评论(0) 分类 VOA常速英语2008年(四月)

The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松(松树)制成, 在液体的石蜡

发表于:2018-12-18 / 阅读(140) / 评论(0) 分类 英国学生科学读本

Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢

发表于:2018-12-18 / 阅读(126) / 评论(0) 分类 2018年NPR美国国家公共电台2月

18.复印与打印 常用应急场景 范例一:A paper jam Look, the printer isnt functioning well. Ive pushed the start button. It is suppose to be working now but it remains like a log. Whats going on? Let me check. It has a paper jam. I didnt pay attention

发表于:2018-12-26 / 阅读(156) / 评论(0) 分类 白领口语应急

【Trancript】 Best inventions A:Office software like Windows might be one of the best inventions in this information age. It saves us from so much work and makes the communication even around the world much easier. B: Fully agree. I do enjoy the

发表于:2018-12-26 / 阅读(176) / 评论(0) 分类 白领快餐口语

英语学习笔记: hooligan n. 小流氓,恶棍 inquisitiveness n. 求知欲,好奇 fruitful exchanges 丰富有趣的交流 in the realms of 在的领域 Guys, this is Aamir, and I'll come to China with my new film Dangal, SOON! I heard some of

发表于:2018-12-28 / 阅读(115) / 评论(0) 分类 早安英文

This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? A couple million years ago, mammoths migrated north from Africa to colonize Eurasia. Sometime around then a massive ice age kicked inand it was stay warm

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(五)月

This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that

发表于:2019-01-11 / 阅读(191) / 评论(0) 分类 VOA慢速英语2008年(八)月

By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce

发表于:2019-01-12 / 阅读(160) / 评论(0) 分类 2007年VOA标准英语(七月)

A Washington Gym Combines Politics and Exercise Not many people can say they have punched the president. But at the Washington Sports Club in Alexandria, Virginia, participants get their shot at Barack Obama - and his rival Mitt Romney. Its just one

发表于:2019-01-14 / 阅读(139) / 评论(0) 分类 VOA标准英语2012年(十月)

Actress Susan Sarandon never has shied away from a challenge. She's played a witch, nun, dying mother, drunken grandmother, a fugitive and even herself on the television show, The Simpsons.There's another role that she's taken on for decades and has

发表于:2019-01-14 / 阅读(120) / 评论(0) 分类 VOA标准英语2010年(十一)月

MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w

发表于:2019-01-17 / 阅读(157) / 评论(0) 分类 2018年NPR美国国家公共电台7月

凭借在iTunes和MySpace的成功,来自美国加州的流行女歌手科尔比凯拉特(Colbie Caillat)的处女专辑《Coco》一经发行便得到了很多歌迷的关注。在美国上市第一周,这张《Coco》共售出5万1千张,在本周的Billboard 200专辑榜中跻身前五名. 在没有与唱片公司签订合约之前

发表于:2019-01-23 / 阅读(260) / 评论(0) 分类 音乐咖啡厅

The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor

发表于:2019-01-29 / 阅读(138) / 评论(0) 分类 万物简史

一、当 convenience 表示抽象意义的方便合宜时,它是不可数名词。如: What sells CDs to most people is convenience. 多数人买CD是图个方便。 The hotelcombines comfort with convenience. 这家旅店既舒适又方便。 二

发表于:2019-02-05 / 阅读(129) / 评论(0) 分类 英文语法词汇

Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche

发表于:2019-02-26 / 阅读(145) / 评论(0) 分类 英语听力文摘 English Digest

How to be confident? Ditch the comparisons 不要老和别人比 You are you. That's all that can be expected of you.There's really no point in comparing the unique person that is yourself to someone else. Just remember: You have not walked the same

发表于:2019-03-06 / 阅读(210) / 评论(0) 分类 英语听力广播—Listening
学英语单词
a pap
aard-wolf
alternative scanning pattern
balloon chuck
baseline privacy
big-cities
bite a file
brachiopodous facies
Calleja's islets
cantoned pier
Capgemini
Carex leiorhyncha
certificate of ownership
change in demand
civil PPS office
coathy
correlated strategy
costs of harvesting
deaness
defector-cope
deficiency indices
despatch-tube
diamond-cracker
dingalings
dispansus
dodrantal
dolmetsches
end of quote
engineered capacity
ethachlor
existential therapy
experimental unit
F (failure)
feeder line
flywheel sync circuit
focus center
front connection
fuel oil service pump
full text searching
genus Astragalus
gerard peter kuipers
grotesqueries
hauling suction
have gone and done
hematostaxia
himandravine
how-to's
Hunedoara
hydrazidines
hydroaromatic ring
hypervelocity wind tunnel
interblock
Internet-connected TV
lagging of tide
long range
malingue
Marie Rambert
microanalytically
mistreats
mycangial cavity
non-grounded neutral system
non-homogeneous media
noncorrespondent bank
nontwin
nozzle friction
pahute mesa
Pallas's cat
pea-type
peanut rake
POC
polymictic lake
prasutaguss
preganglionic neurons
prerecorded tracks
prespliceosome
previous name
printer's ink
product base
pulsating amber light
quartz-diorite-porphyry
recalibration
recoverable string
regulating characteristic curve
right-matching
root-mean-square displacement
ruyt
self-aligning system
septas
severe typhoid fever
site class
sodium fluoscandate
spoon sweets
spring casing
squatting
standard viscosimeter
statutory code
the Anthropocene
undereye
unwearables
vetch management for rice fields
wheat culture-medium
wilmarth