偏硅酸钴(II)

Herman Koch Gets Meta In 'Dear Mr. M' play pause stop mute unmute max volume 00:0006:04repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. LINDA WERTHEIMER,

发表于:2018-12-02 / 阅读(122) / 评论(0) 分类 2016年NPR美国国家公共电台8月

Good morning Mrs. Hall. If none of your teeth are bothering you, I'll restore the tooth with the largest cavity. 霍尔太太,早安。 假如你的牙齿不让你难受的话, 那么我就把蛀的最厉害的牙补一补。 This is the tooth th

发表于:2018-12-03 / 阅读(123) / 评论(0) 分类 口腔临床英语对话

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(138) / 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(96) / 评论(0) 分类 2016年VOA慢速英语(八)月

When Pyrex(公司名) cookware first came out, it was advertised as the ice box to oven, because itwas made of borosilicate glass which could weather large temperature changes without undergoing thermo-shock and shattering. But today, Americans Pyrex

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(九)月

This is scientific American sixty seconds science. I'm Christopher Intagliata. Got a minute? When Pyrex cookware first came out, it was advertised as icebox to oven. Because it was made of borosilicate glass which could weather large temperature chan

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 Scientific American(九)月

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(101) / 评论(0) 分类 2018年VOA慢速英语(十)月

头孢菌素类 第二代 头孢呋辛钠 Cefuroxime Sodium 头孢呋肟,赐福乐信,舒贝洛,西力欣,特力欣,明可欣,CXM,Zinacef,Monacef,Ketocef,Furex Kesiut,Supero 头孢

发表于:2019-01-03 / 阅读(122) / 评论(0) 分类 医务英语

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(99) / 评论(0) 分类 2018年VOA慢速英语(十二)月

The China Anti-Doping Agency said Sun Yang had tested positive for a banned stimulant trimetazidine, state news agency Xinhua reports. 中国新华社消息,中国反兴奋剂中心宣布孙杨因在兴奋剂三甲氧苄嗪检测中呈阳性被禁赛

发表于:2019-01-16 / 阅读(125) / 评论(0) 分类 英语新闻

MARY LOUISE KELLY, HOST: After a big fashion show, there's always the question, which trends will make the leap from the runway to real life? After Paris Men's Fashion Week, we ask, do shoes need their own pair of shoes? ARI SHAPIRO, HOST: The Chines

发表于:2019-01-16 / 阅读(121) / 评论(0) 分类 2018年NPR美国国家公共电台2月

A few months ago the fairy tale came true. 几个月前,童话故事成真了! We announced to the world that we know what these streaks are. It's liquid water. 我们向世界宣布,我们已经知道这些条纹是什么了。是液态水。

发表于:2019-01-18 / 阅读(104) / 评论(0) 分类 TED演讲科学篇

Cassini just a few months ago also flew through the plume, and it measured silicate particles. 卡西尼太空船几个月前又从这些飞溅的水流中穿过,它检测到了硅酸盐颗粒。 Where does the silica come from? 这些硅从哪来的

发表于:2019-01-18 / 阅读(114) / 评论(0) 分类 TED演讲科学篇

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(88) / 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(144) / 评论(0) 分类 英语六级听力练习集锦

Science and Technology Plastics There and back again 科技 塑料 旧法新用 An old idea may help solve the problem of plastic waste 一个老方法也许可以帮助解决塑料垃圾的问题 PLASTICS were once regarded as wonder-materials. They

发表于:2019-01-26 / 阅读(105) / 评论(0) 分类 经济学人科技系列

My legs are hairy for a good reason, replied Charlotte. 我的腿毛茸茸是有道理的,夏洛回答说, Furthermore, each leg of mine has seven sections, the coxa, the trochanter, 而且我的每条腿有七个节,基节、转节、 the femu

发表于:2019-01-29 / 阅读(171) / 评论(0) 分类 夏洛的网

manganese n. 锰(元素符号为Mn) mantle composition 覆盖物的成分 Mercury n. 水星 molten v. 溶化;adj. 熔铸的 monitor n. 监视器,监控 mudflow n.[地] 泥流 Neptune n. [天]海王

发表于:2019-02-02 / 阅读(168) / 评论(0) 分类 英文语法词汇

BEIJING, Nov. 7 (Xinhuanet) -- A huge asteroid will pass closer to Earth than the moon on Tuesday, but experts say there is no cause for alarm. Asteroid 2005 YU 55 will pass about 300-thousand kilometers from the earth. The giant space rock is about

发表于:2019-02-08 / 阅读(104) / 评论(0) 分类 英语新闻

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(123) / 评论(0) 分类 英语新闻
学英语单词
androcentric
annotationists
ash-trashes
avias
backward-tilting trough
base-load regime
basic elementary function
be on the sly
binary compounds
bogey-free
bosintang
bottom-dump wagon
brickleys
cabello luengo, y poco seso
Chakhati
channel program translation
climatic cycles
cobra
commercial inquiry office
common pardon
conjoint marital therapy
contangoes
corneosome
current action
current money
cut lunch
Cycobemin
dastoor
dictyoporospore
didodecyl ether
differential subring
dislocation pair
duct cancer
Ethernet LAN port
felt polisher
FM radio set
gang of workmen
gastric tentacles
gloss measurement
GMC
green tack
hammerless
handing cost
Hanzi structure
heat conducting
hot iron mold ware
Idroestril
ihcs
iliocolotomy
information (in information theory)
intrinsic instability
ion sound speed
kleinhans
langebek
Linj
Megalomycteroidei
minimum lethal oxygen concentration
mmph
monofluoroester
mortarium
mucoso-
muffler plate
Mulgedium lessertianum
nakamura
Neelsen's stain
negative prescription
nephelinites
nonsulphide
one-lunger
orosomucoids
pauli exclusion principles
pearl gates
penetration surface treatment
Peniltetra
photo blog
pleomorphous bacteria
port to port
preferential fertilization
prehnite-pumpellyite facies
qifen syndrome
rebolters
renal fiberscope
right cylinder
ROM cartridge
rotating loop antenna
satsumensis
scarlet lychniss
short-run trend
skirrhus
spatial optical matched filters
spongoblasts
square netter
state set price
steep-slope roof
straplesses
systema nature
terpsichore
total ion detection
two-point breaker
unstroked
us -meister
wavebuilt platform