单词：double cutting drill
单词：double cutting drill 相关文章
Lesson 13 The search for oil 探寻石油 First listen and then answer the following question. 听录音，然后回答以下问题。 What do oilmen want to achieve as soon as they strike oil? The deepest holes of all made for oil, and they go down t
新概念英语第四册
block and tackle 滑轮组 boring 钻孔 circulate 注入，环流 coring bit 取芯钻头 cutting bit 钻头 cylinder 圆柱体 derrick 井架 drill pipe 钻杆 every so often 时常 geologist 地质学家 gusher 喷油井 mineral 矿物的 rotate 使
新概念英语第四册单词MP3
Broadcast: Feb 24, 2003 By Jill Moss This is the VOA Special English Development Report. Activists for the rights of women have declared a yearly observance to oppose the cutting of female sex organs.
VOA2003（上）-社会广角
Alice: Hello, I'm Alice Stephen: And I'm Stephen.Alice: And this is 6 Minute English! This week were talking about a very commonphobia a fear of the dentist and a possible new treatment. But first of all,Stephen, how does this sound make you feel? In
六分钟英语
By Tetiana Vorozhko Washington, D.C. 21 December 2007 Christmas trees in the United States are not only a holiday tradition but big business as well. Every year Americans buy some 30 million live trees. They are grown at special farms like the 'Pepe
VOA常速英语2007年（十二月）
India Holds Large-Scale Drill for a Potential Disaster By the time the sirens sounded all around New Delhi, two months planning had been completed. In nine different parts of the city, rescue workers simulated a 7.2 magnitude earthquake 275 kilometer
VOA标准英语2012年(二月)
Technique May Eliminate Drill-and-Fill Dental Care For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth,
VOA标准英语2015年(八月)
我们今天要学的习惯用语都有这个单词：edge。它最常用的意思是边缘，但是在今天要学的第一个习惯用语里edge这个词的意思却是刀剑的刀刃。 今天要学的第一个习惯用语是：on the cutting edge。
美国习惯用语
Double, Double play pause stop mute unmute max volume 00:0005:28repeat 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. OPHIRA EISENBERG, HOST: Now it's time to
2016年NPR美国国家公共电台10月
China and Russia on Friday started joint naval drills off the coast of Russia's Far East. Seven vessels from China's North Sea Fleet and South Sea Fleet and 12 vessels from Russia's Pacific Fleet are taking part in the weeklong exercises. Participati
世界各地新闻集锦
The Joint Sea 2016 drill between the two countries officially kicked off Monday in Guangdong. The 8-day exercise in the South China Sea features naval surface ships, submarines, fixed-wing aircraft, helicopters, marines and amphibious armored equipme
2016CRI中国国际广播电台
DEVELOPMENT REPORT - Study Links Custom of Female Cutting to Infertility By Jill Moss Broadcast: Monday, August 29, 2005 I'm Bob Doughty with the VOA Special English Development Report. New research s
农业与发展
trailblazer cutting edge 今天我们要给大家介绍的两个俗语都有
美国习惯用语
Now, the VOA Learning English program Words and Their Stories. For todays program, we go into the kitchen! There is a good chance you do not go one day without using a knife. It is an important tool when cooking, and without it, you could not make ma
2019年VOA慢速英语(一)月
Military experts in China are warning against Japan's latest drill apparently aimed at recapturing lost islands. Military expert Yin Zhuo says the drill could be preparation for future operations on the Diaoyu islands. According to Japanese media rep
英闻天下
TEHRAN, July 4 (Xinhua) -- The Iranian Islamic Revolution Guards Corps (IRGC) concluded the three-day missile drill on Wednesday with Iranian military officials warning against any military aggression on the country. On the third and last day of the
英语新闻
BEIJING, Feb. 24 (Xinhua) -- Police in Beijing municipality have performed an emergency response drill in their preparations for the country's annual legislative and political advisory sessions, a police officer said Friday. The drill was organized t
英语新闻
By Robert Berger Jerusalem 06 April 2008 Israel has launched a major civil defense exercise amid fears of war. Robert Berger reports from VOA's Jerusalem bureau. Israel is conducting a five-day home-front security drill to prepare for the possibility
VOA常速英语2008年（四月）
By Robert Berger Jerusalem 09 April 2008 Syria is beefing up security on its home front in a sign of escalating tension with Israel. As Robert Berger reports from VOA's Jerusalem bureau, there are war jitters on both sides of the border. As Israel co
VOA常速英语2008年（四月）