【化学】亚锰酸盐;水锰矿

美国大选结束了,各种拉票和选战活动也终于告一段落。就拿我们家附近的教会来说,他们现在不用再向教友推荐应该给哪个候选人投票了。 美国禁止宗教机构支持某一候选人,不过有些教会

发表于:2018-12-01 / 阅读(265) / 评论(0) 分类 美国习惯用语

Baltimore Police End Investigation of Freddie Grays Death 巴尔的摩对Freddie Gray的死因调查工作结束 Police in Baltimore, Maryland, have completed their investigation into the death of a young black man in police detention. He died April

发表于:2018-12-16 / 阅读(151) / 评论(0) 分类 2015年VOA慢速英语(五)月

See that bright red hamburger meat in the grocery store? Its bright red because a food processor added carbon monoxide to the package. Most European governments do not allow carbon monoxide in packages that contain beef products. They warn that the g

发表于:2018-12-31 / 阅读(142) / 评论(0) 分类 365个英语简短小故事

歌词如下: Oh,the old gray mare, She ain't what she used to be, Ain't what she used to be, Ain't what she used to be, The old gray mare, She ain't what she used to be, Many long years ago. Many long years ago. Many long years ago. The old gray m

发表于:2018-12-31 / 阅读(154) / 评论(0) 分类 英语儿歌274首

This is Scientific American's 60-Second Science, I am Cynthia Graber. This'll just take a minute. It might look and even feel like paper, but a new material created by scientists at MIT is designed to be an oil spill super-absorber. This technology d

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 Scientific American(六)月

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(七)月

This is scientific Americans 60 second science,I'm Cynthia Graber.This will just take a minute.A coal mine can decrease the local environment but a Fungi may indivertantly help cleanup the mine with its own waste products. Researchers worked with the

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 Scientific American(七)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(251) / 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(188) / 评论(0) 分类 TED演讲教育篇

SCIENCE IN THE NEWS - Gray Wolf in Eastern U.S. May Come Off Endangered List / U.S. States Could Get More Power to Build Road... By Broadcast: Tuesday, July 27, 2004 VOICE ONE: This is SCIENCE IN THE

发表于:2019-01-30 / 阅读(239) / 评论(0) 分类 科技之光

By Craig Fitzpatrick Washington, DC 10 July 2006 watch Macy Gray report Macy Gray exploded onto the music scene at the turn of the millennium with her song I Try and she has never looked back. Her raspy voice gives each genre of music an extra dimen

发表于:2019-02-07 / 阅读(254) / 评论(0) 分类 2006年VOA标准英语(七月)

Here are 7 health problems from eating too many almonds! 以下是吃太多杏仁会导致的7种健康问题! 1.Kidney Stones 肾结石 Certain diets and foods can make people more prone to kidney stones, especially diets high in oxalates. This is

发表于:2019-02-07 / 阅读(188) / 评论(0) 分类 英语美文

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(243) / 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(295) / 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(189) / 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(159) / 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(183) / 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(143) / 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(223) / 评论(0) 分类 万物简史

Colorful Shades of Gray Just because something is ugly outside doesnt mean its not beautiful inside. Do you know why moths are brown? Moths are the most beautiful animals in the animal kingdom. At one time they were more colorful than the butterflies

发表于:2019-03-05 / 阅读(258) / 评论(0) 分类 实用英语
学英语单词
3-methoxy-4-formylpyridine
4MH
achies
acoustic-impact technique
adverb of duration
Agnes Scott College
air roast
Alert window
Anisolobis
boiling temperature
check of equipment
cinerary urn
circulation section
cloth washing machine
corneous manganese
cross limb wrench
daphnane
Deir 'Ammār
depressurisation (-zation)
description of the land
differenctial
drop-crotches
dynamic balancing
endoscopic fulguration of tumor
error condition transfer
expanding metals
farm technology
feedlines
finished fibre
folistic
foreign exchange stabilization fund
genus Alternanthera
glutaryls
hassayampa
herstorian
high speed data transmission
high-valued resistivity
hurricane modification
Huygens' ocular
hydrazinium formate
ice cream
illustrious
invariance theorem of dimensions
judgments
Jurinea pamirica
keag
Kizu
knitting-wools
kostof
latebrose
Leber disease
Magnesia ad Sipylum
mcguffey eclectic readerss
mckillop
melching
mighty work
misaffirming
morganites
neighbourhood residential density
non-phantom circuit
objective lens magnification
orthoschist
overall height of crane
Oxygraphis
Pacific blackberry
Palatinate
pellicular ion-exchanger
pilot truss
piston ring plier
pitch changing actuator
pleurocutaneous
polynee
rail accessories
robo
saddlebacked
sarres
serum diagnosis
simon legrees
split-shaft gas turbine
stability augmentation in pitch control
steel travel(l)er
Stenonian
stig.
surface bar
thorough repair
totius
trade circles
tung trees
tv (television)
tzu-jan
undermoderated lattice
uniform temperature distribution
user network interface
vasoperitoneal tissue
VCDR
ventricular system
volunteer work
warrior figures
werejackal
XBA
yapon
zero-address order