氯化四氨钴(III) {三氯化四氨钴}

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(220) / 评论(0) 分类 VOA2004(下)--世界经济

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

发表于:2018-12-08 / 阅读(195) / 评论(0) 分类 VOA标准英语2014年(六月)

00:04.95]第六课 上学 [00:09.90]a bus [00:13.98]巴士 [00:18.05]an MTR train [00:23.52]地铁列车 [00:29.00]a train [00:33.32]火车 [00:37.64]a car [00:42.21]私家车 [00:46.79]a minibus [00:50.96]小巴 [00:55.14]a tram [00:59.13]电车 [01:03.11]I can see a t

发表于:2018-12-13 / 阅读(207) / 评论(0) 分类 小学英语深圳双语版一年级

模块三 安置和活动 [00:06.19]Unit 1 [00:07.61]单元一 [00:09.04]A day at school [00:10.48]在学校的一天 [00:11.91]Look and read [00:13.95]看并且读 [00:15.99]Hi!I'm Wendy.This is my school.It's small!There are two floors. [00:21.97]嗨

发表于:2018-12-13 / 阅读(320) / 评论(0) 分类 沪教版牛津小学英语五年级

[00:05.45]第四课 公共交通工具 [00:10.89]A Talk about the different kinds of public transport. [00:17.27]说说不同的交通工具。 [00:23.64]a bus the MTR [00:28.41]巴士 地铁 [00:33.18]a train a tram [00:37.80]火车 吊车 [00:42.42]a taxi a ferry [00:46.39]

发表于:2018-12-13 / 阅读(217) / 评论(0) 分类 小学英语深圳双语版五年级

[00:06.28]- Sorry. I'm just a little nervous, I guess. - You don't have to be. - 对不起, 我只是有点神经过敏 - 不要那样 [00:16.88]Big Box was a nightmare. They wouldn't let me return this. 这些大盒子真是个恶梦 但又不能退货

发表于:2018-12-14 / 阅读(183) / 评论(0) 分类 听电影学英语-一个美国新娘的自白

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(178) / 评论(0) 分类 2016年VOA慢速英语(八)月

[00:00.00]Module 7 TRAVELLING TO HONG KONG [00:06.62]UNIT 2 The place at the top of the mountain [00:10.74]is called the Peak. [00:12.85]1 Listen and read. [00:16.00]Today was a long day but it was very exciting. [00:19.54]This morning, we went to Ho

发表于:2018-12-29 / 阅读(195) / 评论(0) 分类 外研社新标准初中英语九年级

[00:00.00]Module 8 IN A MUSEUM [00:05.54]UNIT 3 It was hard to make an airplane. [00:10.44]3 Listen and number. [00:13.96]Listen and number the pictures [00:15.84]in the order you hear them. [00:18.32]1 van 2 airplane 3 bus [00:25.97]4 tram 5 train [

发表于:2018-12-29 / 阅读(226) / 评论(0) 分类 外研社新标准初中英语九年级

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(194) / 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(175) / 评论(0) 分类 2018年VOA慢速英语(十二)月

AS IT IS 2015-11-11 US Town Elects Muslim City Council 美国小镇穆斯林市议会选举 A Detroit suburb has made history by electing a city council where a majority of members are Muslim. The town of Hamtramck has four Muslim-Americans as city c

发表于:2019-01-12 / 阅读(232) / 评论(0) 分类 2015年VOA慢速英语(十一)月

DAVID GREENE, HOST: Families across the United States are fighting with the federal government over a deadly chemical. Dozens of people have died from inhaling methylene chloride. This is an ingredient in common paint removers. NPR's Rebecca Hersher

发表于:2019-01-17 / 阅读(199) / 评论(0) 分类 2018年NPR美国国家公共电台11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(154) / 评论(0) 分类 CNN美国有线新闻2018年7月

Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main

发表于:2019-01-20 / 阅读(247) / 评论(0) 分类 2016年Scientific American(一)月

This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway

发表于:2019-01-22 / 阅读(188) / 评论(0) 分类 自然百科2009年

[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(226) / 评论(0) 分类 英语六级听力练习集锦

Tony: Who did you invite over for dinner Saturday? Carmela: I invited Keith, Sung, Stephanie, and Luis. Tony: You didnt! Carmela: I did. Why? Tony: Youre going to have a hard time cooking for them. Keith is a vegan and only eats food thats organic. S

发表于:2019-02-04 / 阅读(173) / 评论(0) 分类 地道美语播客

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(193) / 评论(0) 分类 英语新闻

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(312) / 评论(0) 分类 《海底两万里》中英双语有声读物
学英语单词
aequator ovuli
antideconstructionists
antil
asphalt waterproof board
automatic magazing loader
aztec ruins national monument
bad cholesterol
bannian
bedropping
benet metal
Bible-banger
brunelliaceae(engl.)
capperbars
Castilleia
chum around with
Chǒnch'ǒn
circulars
circumflex accents
clearance-gauge
clock system
common fractional size
concrete finishing machine
copywriting
cryesthesia
cun
dachengqi decoction
density-gradient tube
double adultery
dry -powder developer
elick
eosinophilic cellulitis
ethyl phosphonic acid
Exmouth L.
facsimile signal
family pyralidaes
finchen
fire works
fire-protection
foreclosure-prevention
freight information center
furfurol test
god-papa
graminicolous
himantopera
holotypes
homostephanoline
hot one
Ilex subrugosa
image algebra
Impatiens desmantha
indicated air speed (ias)
inducible enzyme
intractable refractory
inward pilotage
Kιrmastι
least absolute value estimates
Levopa
levy a tax
limit input
line separation
major hypnotism
marine occurence
mould dimension
multi-staged
myotome
nackety
oars
outlier reimbursement
personal interview method
phagosonography
pheophorbide
pointer argument
power-operated watertight door
Princess Di
provided by
pterygesenermin
racemoramide
recollectable
remnaunt
saber-tooth
sacred scripture
senior adviser
short-term station
skiddings
slabber edger
sonar array
Static theory of capital structure
strong focusing
sylvian aqueduct syndrome
tape-counter
tax free dividends
teucrium stoloniferum roxb.
tissuelike
tizonas
trapdoor spiders
trauma care
Tvrtko I
twin symmetry
twin-tube shock absorber
Typherix
voyles
word organized storage