钴效应(在钨钴类硬质合金中,提高钴含量,则降低烧结温度的效应)

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(104) / 评论(0) 分类 VOA2004(下)--世界经济

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(86) / 评论(0) 分类 VOA2003(下)-环境与健康

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(74) / 评论(0) 分类 2016年VOA慢速英语(八)月

Benjamin Frankin wondered about(at) lightning. He combined his curiosity with imagination and carried out his well-known experiment to show that lightning and an electric spark are the same thing. Cur

发表于:2018-12-30 / 阅读(219) / 评论(0) 分类 自考英语(一)78讲

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(75) / 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(72) / 评论(0) 分类 2018年VOA慢速英语(十二)月

今年7月,14岁的美国华裔少年刘继打破老虎伍兹的纪录,成为美国青少年高尔夫锦标赛史上最年轻的冠军,同时刷新老虎伍兹保持了19年的纪录。刘继出生在纽约州一个只有11万人口的小城市史

发表于:2019-01-09 / 阅读(106) / 评论(0) 分类 实用英语

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(64) / 评论(0) 分类 CNN美国有线新闻2018年7月

[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(118) / 评论(0) 分类 英语六级听力练习集锦

The Effect of Advertisement 广告的效果 Some businessmen were talking about advertising on TV excitedly. As none of them had ever done it before, every one had his point of view. At this moment, Mr. Grey came by. He was a car dealer and he had on

发表于:2019-01-28 / 阅读(67) / 评论(0) 分类 英语小达人

60 测试新药安慰剂的疗效 DATE=6-21-01 TITLE=SCIENCE REPORT - Placebo Effect Study BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(106) / 评论(0) 分类 科技之光

今天我们要学的词是ripple effect。 Ripple effect, 连锁反应。 The shutdown of the local mine had ripple effects on the entire community, 当地这家煤矿的关门,在整个社区引起了连锁反应。 美国汽车业界人士警告说

发表于:2019-02-02 / 阅读(70) / 评论(0) 分类 英语每日一词

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(85) / 评论(0) 分类 英语每日一词

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-06 / 阅读(75) / 评论(0) 分类 英语作文

Affect and effect are different in meaning, though frequently confused. Affect is chiefly used as a verb and its main meaning is to influence or make a difference to, as in the following example sentences: Affect一般用作动词,其含义为:影响

发表于:2019-02-07 / 阅读(115) / 评论(0) 分类 英文语法词汇

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(92) / 评论(0) 分类 英语新闻

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(135) / 评论(0) 分类 英语单词荟萃

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-13 / 阅读(62) / 评论(0) 分类 英语作文

VATICAN CITY, Feb.28 (Xinhua) -- The resignation of Pope Benedict XVI came into effect at 8 pm local time (1900 GMT) on Thursday, who had left the Vatican by helicopter for the papal vacation retreat in south Rome earlier in the afternoon. The pope h

发表于:2019-02-17 / 阅读(85) / 评论(0) 分类 英语新闻

BEIJING, Sept. 1 (Xinhua) -- Medicine prices at public clinics have been notably reduced thanks to a policy that promotes basic medicine, an office of the State Council said Thursday. Current price levels of basic medicine used by government-funded t

发表于:2019-02-18 / 阅读(65) / 评论(0) 分类 英语新闻
学英语单词
2-ethyl-1-aminohexane
A. E. G.
American hornbeams
angular joint
antiageist
antly
Aprey faience
aspheterism
be in low spirits
beams-on
biphenyl acetadehyde
black holes
blinds with science
borchers
brisk taste
broadcast sower
bullids
by means of
carbon blaster
causativizations
change over switch
coaxial contra-rotating reduction gear
collecting business
comosuss
compensatory planting
conductive plastics
curlin
dividing movement
Dussehra
dynamimeter
electromagnetic induction pump
enervous
estimated uncollectible accounts recievable
exercise boy
expert mode command syntax
faineancy
feedwater heating type heat recovery combined cycle unit
fixing speed
flagwomen
forked stay
fuel element abrasion fines
gibberish
glam rock
goes the whole hog
Grauman's Chinese Theater
hetero crystal
hornworm
Hytuss
in care
indenturely
inner couette
insured deposit
intergalactics
interplanetary diffusion
jasmine bouquet
L. A.
legislative facts
lungkang formation
Manzanilla B.
mercurial liniment
midwater
mistreating
multiple risk
multistate noise
naddis
non-member firm
one-males
order Araneida
over loan
packmule
paleohydrological
partial linkage
permanent elongation stress
phenyl ether
Phyllostachys arcana
pictorial infrared photography
pollution emitter
procarcinogen
pterygotrigla ryukyuensis
radices stemonae tuberosae
rigid conduit
Rowland, Henry Augustus
San Luca
self-adjoint elliptic operator
sexual-minority
ship standard piece
show ankle
sidelobe clutter rejection
sledder
solpecainol
special pump
squallings
standard type single-pull hatch cover
subsidy energy
taper foot roller
thujopsadiene
tradiment
Turkey leather
twilight class
type identifier
uproarer
voltage balance relay