单词：polyene hydrocarbon epoxide
单词：polyene hydrocarbon epoxide 相关文章
limb composite rebellion worship recede calibration geometrical constitution reciprocal hydrocarbon spouse intimidate intercourse sniff reunion immune enrich oppress erosion clan constraint
用Mp3背六级单词
British Oil Firm Accused of Corruption in Somalia Exploration Deal 英国石油公司被指控在索马里勘探协议中存在腐败行为 LONDON A British oil exploration firm has been accused of corrupt payments to government officials in Somalia
VOA标准英语2015年(九月)
Technology Report - Could Waste Plastic Reduce Our Need for Oil? 科技报道 - 塑料制油技术是否可以减少美国的石油需求 From VOA Learning English, this is the Technology Report in Special English. 这里是美国之音慢速英语科技
2012年VOA慢速英语(十一)月
India, China Compete for Overseas Oil Assets 印度、中国竞标海外石油资产 India's biggest state-run oil firm recently lost out to a Chinese company in a bid to acquire PetroKazakhstan -- a
VOA2005（下）--全球经济要闻
Covalent bond - a strong bond between atoms formed by sharing outer electrons. When an atom has 8 outer electrons it is stable. Those which naturally have 8, like neon and argon gasses are quite unrea
医务英语
By Carol Pearson Washington 04 July 2007 Researchers have found that chocolate dark chocolate is good for your heart. They say it may stave off hardening of the arteries among smokers, and it has more antioxidants per gram than red wine, green tea or
2007年VOA标准英语（七月）
This is the VOA Special English Health Report. Studies have shown that the fewer medicines a person has to take the more likely he or she will take them. Last week, a study was released about a new treatment that combines five medicines for heart di
VOA慢速英语2009年（四）月
Naval ships from Bangladesh and Burma are facing off in the Bay of Bengal, after a row erupted between the neighbors about oil and gas exploration in the area. As Anjana Pasricha reports from New Delhi, Bangladesh is sending a senior diplomat to Bur
VOA标准英语2008年(十一月)
Science and Technology Materials science Stronger when stricken 科技 材料科学 越敲越结实 A new material that gets stiffer when it is stressed 一种受外力时硬度提高的新材料 ONE of the valuable properties of bone is that when it
经济学人科技系列
Science and Technology The rise of the dinosaurs Pardon! 科技 恐龙的崛起 恕我直言! A geological burp may have led to the dinosaurs' domination 地质上的甲烷释放可能是恐龙称霸地球的原因 THE s, famously, went out with a ba
经济学人科技系列
By Naomi Schwarz Dakar, Senegal 17 October 2006 Senegal and Spain's government say thousands of would-be illegal immigrants have been repatriated in the past month, after trying to get to Europe by boat. After their forced return, many are now deman
2006年VOA标准英语（十月）
By Brian Padden Washington 24 December 2007 Rising oil prices, a resurgent Russia and continued turbulence in the Middle East have intensified competition for control of the vast oil and gas reserves in the Caspian Sea. The competition, involving big
VOA常速英语2007年（十二月）
MANAGUA, June 19 (Xinhua) -- U.S. firm Noble Energy Inc. will begin drilling on Nicaragua's first exploration oil well in August under a government concession, the company announced Wednesday. The well is near the town of Puerto Cabezas, which is on
英语新闻
oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井，油井 derrick 井架 Christmas tree 采油树 cr
英文语法词汇
HOUSTON, Sept. 7 (Xinhua) -- British oil giant BP announced Wednesday it had a major oil discovery in the Gulf of Mexico. An appraisal well the company drilled in a previously untested northern segment of the Mad Dog field in the Gulf of Mexico found
英语新闻
By Scott Stearns Dakar 17 September 2009 A U.S. oil company has found what could be commercially viable reserves of oil off the coast of Sierra Leone. The first ever deep-water test well in the Sierra Leone-Liberia basin struck a deposit of hydrocar
VOA标准英语2009年(九月)
模仿句子：Now there's long been talk about peak oil, the point of which the amount of hydrocarbons available to us starts an inexorable downward decline. 翻译：很久前人们就提到过石油峰值，即在达到某一峰值时，可供我们
英音模仿秀
ISTANBUL Growing tensions between Baghdad and the semiautonomous Iraqi Kurdish government over control of the country's energy reserves is threatening to pull neighboring Turkey into the deepening dispute. This past weekend, Iraq warned Ankara that s
英语新闻
Acetylene and hydrogen molecules are disappearing from the atmosphere of Saturns moon, Titan. Its a mystery befitting Sherlock Holmes investigative skills, a mystery NASA scientists hope to crack. About fifty percent larger than Earths moon, Titan is
英语时差8，16