二氧化锗

CHAPTER TWO Reading POLLUTUO FIGHTERS [00:09.90]Judy is collecting some facts for a class project on pollution. [00:18.44]She is interviewing Doctor Ray,a scientist,about trees. [00:27.51]Judy:Why are you so interested in trees,Doctor Ray? [00:38.16]

发表于:2018-12-01 / 阅读(463) / 评论(0) 分类 上海牛津初中英语八年级

[00:04.88]LISTENING [00:07.63]Listen to the description of the three culture sites. [00:12.67]Complete the map of each site based on what you hear on the tape. [00:18.55]List the names and the importance of the sites,and what is being done to protect

发表于:2018-12-13 / 阅读(230) / 评论(0) 分类 人教全日制普通高中英语(必修)高一

[00:05.07]Unit 22 Environmental Protection Culture Corner [00:10.88]The World Wildlife Fund [00:13.93]The World Wildlife Fund (WWF) [00:16.91]was found by Sir Peter Scott in 1961. [00:20.98]His goal was to help protect the Earth's [00:23.39]natural e

发表于:2018-12-13 / 阅读(170) / 评论(0) 分类 北师大版高中英语模块8(选修)

Unit 8 [00:02.90]Save Your World!What Is Garbage?Garbage is everything that you throw away. [00:13.06]What do we do with garbage?We bury or burn most garbage. [00:19.54]Burying garbage is quick and easy but uses a lot of land. [00:26.07]Most land nea

发表于:2018-12-17 / 阅读(285) / 评论(0) 分类 河北加拿大版初中英语读物

Knock, knock. Mr Matthews? What a surprise! Where're your parents? They didn't bring me. I took the bus. Actually they don't even know I'm here. I've brought you a germanium. Geranium. Didn't I say germanium? Yes, you did. In fact, germanium is a che

发表于:2019-01-02 / 阅读(199) / 评论(0) 分类 听美剧学英语-《淘小子看世界》

By Greg Flakus Scientists in Texas are trying to find a way of reducing carbon dioxide air pollution by capturing the gas, compressing it and then putting it underground. This technique could also yie

发表于:2019-01-03 / 阅读(111) / 评论(0) 分类 VOA2004(下)--健康科技

[ti:UNIT 7 Know Our World Coming! Lesson 49: Let's Learn Geography!] [0:00.291]UNIT 7 [0:02.469]Lessons 49~56 Lessons 49~56 [0:05.445]Know Our World [0:07.187]You Will Learn 你会学到 [0:08.930]Functions 功能 [0:10.018]Talking About Numbers 谈论

发表于:2019-01-09 / 阅读(304) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

By Zulima Palacio Washington 26 September 2007 The organization that runs George Washington's estate near Washington, D.C. opened to the public a typical slave cabin from the 18th century. Most of those present at the dedication say the tiny house br

发表于:2019-01-13 / 阅读(158) / 评论(0) 分类 2007年VOA标准英语(九月)

By Jim Malone Washington 02 January 2007 State Funeral service at the Washington National Cathedral for former President Gerald R. Ford, 2 Jan. 2007 Official Washington bid farewell to former President Gerald Ford on Tuesday. Mr. Ford, the 38th pres

发表于:2019-01-13 / 阅读(203) / 评论(0) 分类 2007年VOA标准英语(一月)

Russian President Dmitri Medvedev has signed decrees granting formal recognition to the Georgian breakaway regions of Abkhazia and South Ossetia. But VOA Moscow correspondent Peter Fedynsky reports analysts say the move could promote separatism in R

发表于:2019-01-13 / 阅读(105) / 评论(0) 分类 VOA标准英语2008年(八月)

The United Nations is appealing for more than $58.5 million to provide emergency assistance to tens of thousands of people affected by the crisis in Georgia over the next six months. Aid agencies report their biggest problem remains one of access. L

发表于:2019-01-13 / 阅读(137) / 评论(0) 分类 VOA标准英语2008年(八月)

Geophysicist Probes Ocean's Secrets Today, Pitman is a distinguished professor of geophysics at Columbia University, and the recipient of many of his fields most coveted honors. Even though he is now in his 80s, Pitmans animated manner makes it easy

发表于:2019-01-13 / 阅读(308) / 评论(0) 分类 VOA标准英语2012年(一月)

GeographyMeetsSocialMediaonGeosocialSites Theres a well-worn phrase in real estate: location, location, location, meaning that where a property is located, alone, means more than anything else when it comes to assessing its value. But location is get

发表于:2019-01-13 / 阅读(123) / 评论(0) 分类 VOA标准英语2011年(九月)

You might think it's your colleagues or the pressures of work that's getting you down at the office, but new research suggests it could well be the air you're breathing instead. Scientists in the US have found that the concentration of carbon dioxide

发表于:2019-01-16 / 阅读(135) / 评论(0) 分类 阅读空间

KELLY MCEVERS, HOST: We're going to hear about something called geofencing. You might know about it. But if you don't, it's wireless technology that tracks mobile devices entering and exiting a specific area. Up to this point, it's mostly been used b

发表于:2019-01-16 / 阅读(174) / 评论(0) 分类 2017年NPR美国国家公共电台7月

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(152) / 评论(0) 分类 农业与发展

U.S. President George Bush says Russia must not lay claim to the breakaway Georgian republics of South Ossetia and Abkhazia. VOA White House Correspondent Scott Stearns reports, Mr. Bush says all Russia forces must leave Georgia. Russia says there i

发表于:2019-02-06 / 阅读(119) / 评论(0) 分类 VOA标准英语2008年(八月)

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(195) / 评论(0) 分类 英语新闻

Drivers in the eastern United States may soon start paying for the pollution made by their motor vehicles. Nine eastern states and Washington, D.C. are launching a system of pricing the carbon dioxide produced from burning gasoline and diesel fuel. M

发表于:2019-02-14 / 阅读(136) / 评论(0) 分类 2019年VOA慢速英语(一)月

Curbing climate change The deepest cuts 控制气候变化 一切为了减排 Our guide to the actions that have done the most to slow global warming 我们的行为指南已经最大限度减缓了全球变暖 ON SEPTEMBER 23rd 120-odd presidents an

发表于:2019-02-16 / 阅读(148) / 评论(0) 分类 经济学人要闻
学英语单词
acetylsulfanilamide
active missile
aera (american education research association)
airglow
Allium henryi
anisotropisation
antccedent
armature copper
automatic switching
Barleycorn, John
basar
Bathyergidae
blind-copy recipient
catatoniac
climatic cycle
commasculation
congreet
craines
CRAM track
cruiseships
current-limiting resistivity
czaritzas
dc-substitution error
Deep Bight
domestic merchant
dual system of limitation of liability
dwarf induced mutant
dyadic processor
EL cell
fibrillin-2
flood-crest stage
fornical
frame harps
gas hygrometer
genus simaroubas
goseong (kosong)
Gregory's series
hashings
high elongation furnace black
huttonite
hypolithic
induced symptom
industrial location theory
joint condition time
jury-strut
kidney potato
knee jerk center
Mahounds
Manoleasa
marcain
matched pulse intercepting
May he rest in peace!
meningoencephalomyelopathy
one side sight
optical analog computer
optical fiber merit figure
opts out
organomegaly
outfinesse
outside audit
ozon-
paper tape coil
peopeo
photophthalmia
piston leather packing
polymer cement concrete
postotic somite
precoitional
prestigy
program device
put sb to sleep
puzo
Rikolatva
ritual-making
rolling contract
rosenbach
rough layer
saccharinates
seeny
servo response rate
short time diffusion
single eye cutting
soap slab
solidus isoconcentration curve
soprano clef
spirituals
synaptic plasticity
table deflector
tasselated
tetracalcium phosphate
tippets
Toypsinum
transmission link
trychophytosis
tylosin
universal potentiomerer
usurously
velocity modulation bunching
wall-less ionization chamber
warm fronts
Washington Grove