铯钴矾

1: I am Andy. 2: Hello! 3: Good morning. 4: This is Kay. 5: This is Miss Dizzy. Your English teacher. 6: How do you do. 7: Hi! 8: Good bye! 9: So long. 10:Bye-bye! A: Hello! I am Andy. Hello! I am Mr. Write. I am Bobby. I am Kay. B: Good morning Mr.

发表于:2018-11-30 / 阅读(121) / 评论(0) 分类 小学英语300句

By David Lewis A natural resources watchdog group issued a report Tuesday warning that smuggling and corruption are costing the Democratic Republic of Congo millions of dollars a month in lost revenue

发表于:2018-12-08 / 阅读(125) / 评论(0) 分类 VOA2004(下)--世界经济

AS IT IS 2016-07-29 Congo's Small Miners Fill Hole Left by Big Businesses 刚果小矿工填补大企业留下的洞穴 As large mining companies in the Democratic Republic of Congo are eliminating jobs, government officials are expanding the role of

发表于:2018-12-16 / 阅读(90) / 评论(0) 分类 2016年VOA慢速英语(八)月

Wanted: Chefs in Uganda 乌干达奇缺厨师 KAMPALA, UGANDA As the middle class and tourism industry grow in Uganda, so, too, do the number of restaurants and high-end hotels. The owners of these establishments, however, have often had to recruit e

发表于:2018-12-16 / 阅读(61) / 评论(0) 分类 VOA标准英语2015年(八月)

[00:06.37]The United States has a new official clock. [00:10.95]The clock began operating late last year in the American city of Boulder,Colorado. [00:18.39]Experts say the new clock is so exact that it will neither gain nor lose so much as one secon

发表于:2018-12-26 / 阅读(71) / 评论(0) 分类 美国英语听力80篇

Australian Scientists Propose a Telescope to Look Deep Underground Scientists in Australia want to build what they describe as a downward looking telescope to look for mineral wealth under the Earths surface. The telescope is really a project aimed a

发表于:2019-01-03 / 阅读(89) / 评论(0) 分类 2018年VOA慢速英语(十)月

BMW Joins Project to Improve Mining Conditions in Congo German carmaker BMW is exploring ways to improve working conditions at cobalt mines in Congo. 德国车企宝马正在寻找方法以提升刚果钴矿的工作环境。 Cobalt is a hard, shiny

发表于:2019-01-06 / 阅读(85) / 评论(0) 分类 2018年VOA慢速英语(十二)月

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 Scientific American(八)月

Donny Hathaway, who gained fame in the 1970s as a Grammy Award-winning singer, songwriter and producer, left behind some of soul music's most-compelling tunes, including his 1973 hit, Love, Love, Love. The smooth jazz rendition from Kirk Whalum's alb

发表于:2019-01-09 / 阅读(101) / 评论(0) 分类 VOA标准英语2010年(九)月

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(98) / 评论(0) 分类 VOA慢速英语2008年(十一)月

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(97) / 评论(0) 分类 VOA慢速英语2007年(五)月

This is the VOA Special English Development Report. Dye can bring a little color to life. Most clothing is colored with dyes. Modern, manufactured dyes can be costly. Natural dyes from plant and animal products have been used since ancient times. So

发表于:2019-01-11 / 阅读(104) / 评论(0) 分类 2010年VOA慢速英语(八)月

This show is centered on an in-depth report that concerns child labor, a large African country and the element of cobalt. We're explaining how all those things are tied together. First, the issue of child labor. The United Nations defines this as wor

发表于:2019-01-19 / 阅读(73) / 评论(0) 分类 CNN美国有线新闻2018年7月

Don: Oh, Yael, I just read the most beautiful poem. No wonder our ancestors developed writing--they probably wanted to treasure poetry for posterity. Yael: Actually Don, writing was developed to keep track of more mundane things, like money. For exam

发表于:2019-01-22 / 阅读(196) / 评论(0) 分类 英语时差8,16

[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu

发表于:2019-01-25 / 阅读(133) / 评论(0) 分类 英语六级听力练习集锦

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(121) / 评论(0) 分类 农业与发展

As China Molybdenum announced it was buying one of Africas largest copper mines earlier this month one thing was soon clear: the acquisition was about far more than the red metal. 随着洛阳钼业(China Molybdenum)本月早些时候宣布正在收购

发表于:2019-02-08 / 阅读(110) / 评论(0) 分类 英语新闻

DAVID GREENE, HOST: The island nation of Trinidad and Tobago is famous for calypso and soca, the infectious music that takes center stage during Carnival. But during the Christmas season, another type of music dominates. John Otis is going to tell us

发表于:2019-02-21 / 阅读(92) / 评论(0) 分类 2018年NPR美国国家公共电台12月
学英语单词
absolute discretion
ageing (aging)
agonistics
APNIC
audio frequency amplifier(afa)
axillary sac (or axillary air-sac)
bake
batin'
belief-formation
berated
Brachbach
cargo sling
cellulose naphthenate
centre plank
cerebellar epilepsy
chemical mixture which kills insects
chunkable
civil economics of capital construction
coal borrow
coefficient of electrostatic induction
coup-de-poing
current account deposits
CVOD
data bridge
deavour
dilger
dimethyl phenyl-phosphonate
disinfecting cupboard
economically active employed population
enzyme immunoassay
expanding inside brake
family Pyrolaceae
Favorites bar
filmastrip
financially speaking
fluid passage
formal plan
foster suckling
genus Didelphis
graphiteed bearing metal
gwydirs
hard rolls
heteropolar bond
horsmen
hortorium
hot mould
inquiry facility
is well
keyed into
knurred
krausism
lablab purpureuss
luminescent layer
lurks
lutonarin
Lysidice rhodostegia
manslaughterer
metallic-tape core
misbuttoned
modified form
myeloplaxoma
number of revolutions to speed
OCTN
onsonsy
open-pit crawler rig
paindts of divergence
panic rate
permanent water
Pittosporum undulatifolium
port of transhipment
Procolobus
refringency
relict lake
Roosevelt, Anna Eleanor
rotating shell
s.o
salcrete
seal bellows
security for default
sensillum sagittiforme
short oo
shredda
Squaloidei
stand astride
start-up mode
street drainage
stromo
supersonic roll extrusion
temporoorbital
testis-specific
Thatcherise
thin ice
threshed wheat
to go over
top-side tank
training academy
transport kernel
two-sided zero
unbounded program
undeprived
wave curve
werkman