[化] 三氧化二铁

KING: We welcome to Larry King Live. Good to have him back, former Governor of Pennsylvania, Tom Ridge. He was the first United States Secretary of Homeland Security from 2001 to 2003. He's President and CEO of Ridge Global and author of the book The

发表于:2018-12-20 / 阅读(215) / 评论(0) 分类 CNN2010年(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(264) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? Heres a possible blood pressure remedy. But its only for those who can stand the heat. Its capsaicin, the active ingredient in peppers like habaneros that should pro

发表于:2019-01-08 / 阅读(278) / 评论(0) 分类 Scientific American(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(236) / 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(275) / 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(235) / 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(214) / 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(161) / 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(184) / 评论(0) 分类 英语新闻

Ironic --by Alanis Morissette An old man turned ninety-eight He won the lottery and died the next day It's a black fly in your Chardonnay It's a death row pardon two minutes late Isn't it ironic...don't you think It's like rain on your

发表于:2019-02-06 / 阅读(165) / 评论(0) 分类 好听的英文歌曲

在这个世界上,有许多精彩的事,但也有很多无奈的事。命运总是会和你开个玩笑,这个玩笑可大可

发表于:2019-02-06 / 阅读(219) / 评论(0) 分类 音乐咖啡厅

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(266) / 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(225) / 评论(0) 分类 英语新闻

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(269) / 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(323) / 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(224) / 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(203) / 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(217) / 评论(0) 分类 英语新闻

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(169) / 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(264) / 评论(0) 分类 万物简史
学英语单词
acetotartrate
adjacent arm
airport lounge
alarm value
Alcamenes
analytical geochemistry
application for negotiation of draft under letter of credit
bicrural
biochronologically
blackwater estuary
butanilicaine
caprik
Chinese linden
chumphon (mueang chumporn )
cock-tailed
comd.
compressed source format
connection with
container handling efficiency
cryptopleurine
cup finals
deficit value
e-shopper
eigenrays
elastoviscous
elliptic trammel
endoce
epicalyxes
execution statement
feedwater control system
fibrofibrous
file index
first-hand-tap
frame crank press
furnace blast
glomuvenous
helvellic acid
hemiascomycete
holochlamydeous
Hurst counter
hydroxyevodlamine
indeterminate forms
interactive layout system
intermeate
internal discharge
ischys
ketelaar
Kirschner wire
know one's job
Lampris
leatherbarrow
line modulator
liquified oxygen
lyddite
lyophilic gel
marriage regulations
melioidosis
Microsporon equini
midfielder
moderate temperature heat pipe
motewoke
Oberonia austroyunnanensis
packaged refinery
parlous
paxital
phytohemagglutination
pogonophoran
pourparler
prior
psss a law
pulmonary mucormycosis
pulmonic plague
Purbeck marble
reblues
receiving end
refractory-material
respirer
Road-material
rones
Salvatierra de Miňo
Sherbrooke L.
side-to-side baffles
smart card
standard-times
stood witness
stress(mechanical)
sunrise watch
tangence
teratocarcinomas
the West Country
time's
triphenylchloromethane
trollings
trypanocidal
unfavorable condition
variable thrust
view manager
warping bridge
wave line
woodworking circular sawing machine
wrens
Wurlitzers