合氧化铁膜

NASA: Strong Evidence of Liquid Water on Mars NASA发现火星存在液态水的强有力证据 Scientists have found strong evidence of salt water on the planet Mars, the U.S.space agency NASA announced Monday. 美国太空总署国家航空航天局周

发表于:2018-12-08 / 阅读(104) / 评论(0) 分类 2015年VOA慢速英语(九)月

A: How are you feeling today? B: I have a terrible cold! A: Where do you think you picked that up? B: A lot of people in my gym have it. Maybe I got it from the equipment. A: Have you taken anything for it? B: I think that I am just going to rest and

发表于:2018-12-26 / 阅读(93) / 评论(0) 分类 健康-Health

Signs You May Be Dehydrated From VOA Learning English, this is the Health Lifestyle report. Drinking enough water is important to our health. If we want to operate at our highest level and feel great both mentally and physically, we need to stay hydr

发表于:2019-01-03 / 阅读(103) / 评论(0) 分类 2018年VOA慢速英语(八)月

One main goal in the renewable energy field is to find an efficient, inexpensive way to split water into hydrogen and oxygen. The hydrogen could then be used as a fuel source for vehicles or fuel cells. Typically, an electric current breaks the water

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(四)月

SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S

发表于:2019-01-11 / 阅读(175) / 评论(0) 分类 VOA慢速英语2007年(十一)月

Sunscreen comes in many forms, each with its own impacts on your body and the environment. 防晒霜有很多种,每种对你的身体和环境影响各有不同。 With so many options, how do you choose which sunscreen is best for you? 有了这么

发表于:2019-01-17 / 阅读(135) / 评论(0) 分类 TED演讲教育篇

电脑英语--常见硬件篇 CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,

发表于:2019-01-26 / 阅读(112) / 评论(0) 分类 实用英语

In the early 1800s there arose in England a fashion for inhaling nitrous oxide, or laughing gas, after it was discovered that its use was attended by a highly pleasurable thrilling. For the next half century it would be the drug of choice for young p

发表于:2019-01-29 / 阅读(88) / 评论(0) 分类 万物简史

Beijing's last large coal-fired power plant suspended operations last Saturday, meaning the capital has become China's first city with all its power plants fueled by clean energy. 上周六,北京最后一座大型燃煤电厂停机备用,这意味

发表于:2019-02-04 / 阅读(93) / 评论(0) 分类 英语新闻

18招促环保(双语) 我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此,防止气候变化需要地球上的每个人共同来努力。在中国,平均每户每年的碳排放量是2.41吨

发表于:2019-02-06 / 阅读(192) / 评论(0) 分类 实用英语

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(143) / 评论(0) 分类 英语新闻

你肯定听说过:久坐是新型的吸烟。一项新的研究发现,即使你很活跃,每天在电脑前坐八小时,也会缩短你的寿命。但是现在你可以试着用这些方法来减少你坐的时间,而且也不用把你工作

发表于:2019-02-13 / 阅读(112) / 评论(0) 分类 卡卡课堂早餐英语

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(190) / 评论(0) 分类 英语新闻

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(231) / 评论(0) 分类 世界各地新闻集锦

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(142) / 评论(0) 分类 天天商务口语

重要电脑英语及其缩写 CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,

发表于:2019-02-16 / 阅读(107) / 评论(0) 分类 实用英语

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(118) / 评论(0) 分类 英语新闻

Hierarchy often within a group of three or more, organization is difficult unless there is a leader. 等级制度一般存在于三人及以上的组织里,若无领导者,组织会出问题。 Hierarchy is a ranking of authority. Often when one

发表于:2019-02-19 / 阅读(121) / 评论(0) 分类 咱们裸熊

CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只读存储器。 EDO:Ext

发表于:2019-02-21 / 阅读(95) / 评论(0) 分类 实用英语

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(172) / 评论(0) 分类 万物简史
学英语单词
1-androstendione
abdominal multivisceral transplantation
abortion pill
acid proof ceramic pipe
ackerman principle
active trading fleet
ague
average recovery rate
baker's garlic
biotic barrier
blade section chord
boiler with dry-bottom furnace
book of abstracts
break-
charles baudelaires
cloud particle
coarsen
Congress of the People
crab cocktails
customs warehouse
cybergames
Cyberian
debeige
dild
displaced-persons
double-welded butt joint
draw-latch
dysdiadokokinesis
elastic strian
elixothrips brevisetis
entities
equivalent reactance
exterieur
floristic kingdom
frame with narrowed front
garden pea plants
gasguzzler
half-reactions
haughtinesses
hermeticum
hutzpa
hydraulic evapotranspirometer
IMAA
indeterminate-term liability
japanese standards of food additives
law of the international sale of goods
light extinction
lithium sulfate detector
lithium-iodine cell
Lithocarpus tubulosus
magnification constant
Mal Paso, Pta.
megacin(e)
member of company union
methylthionine
microscopic fields
monactin
monsoon disturbance
mostomys natalensis
mulholland drive
multiple-motor
nalorphine
Nizhnyaya Grayvoronka
nonstandard logic
oculodynia
olfactive
Olosed
one-party principle
optical wave synthesis
Outokumpu flotation machine
p n p n junction
pallial chamber
panadas
pancreatic lymph nodes
papillary cystic adenocarcinoma
permanent blind distance
pinselle
powder inlet
product pricing
putamens
rational elasticity mechanics
reactor pressure vessel(closure)head
reafforestations
redirects
reflecting-block folding
restriction/methylation system
schizocalyx
simplex copying
Smithdale
social-development
speech-act
sporidiolum
straightline controller
São José do Norte
Tunica mucosa nasi
undue delay
Ust-Kamenogorsk
vesicle of penis
VRBL
Warburg's tincture
wood-lice
zwitter