单词：subsurface progressing cavity pump
单词：subsurface progressing cavity pump 相关文章
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
英语每日一词
第三章 呼吸系统 Chapter 3 Respiratory System aditus laryngis 喉口 anterior horn 前角 anterior mediastinum 前纵隔 apex of lung 肺尖 aryepiglottic muscle 杓会厌肌 arytenoid杓肌 arytenoid articular surface 杓关节面 arytenoid cartilage 杓状软骨 base of
医学英语
Here is some thanksgiving tips food and safety expert Ben Chatman in North Carolina State University. First, do not wash the turkey, which***. The water splashing off a portroy can toss bacteria around your entire food preparation area. Two, s** is t
Scientific American(十一)月
Are You Progressing with Progressive Tenses? Editors note: This is the second of a four-part series on verb tenses. Click here to see part one. For VOA Learning English, this is Everyday Grammar. Today we are going to look at the progressive verb ten
2016年VOA慢速英语(一)月
By Melinda Smith Washington 28 March 2008 Last month we told you about a young woman in the United States who got an experimental heart pump to help keep her alive. VOA's Melinda Smith has an update on her remarkable story.
VOA标准英语2008年（三月）
The World Health Organization says heart disease kills about 17 million people every year and that it will become the leading cause of death in developing countries. But now, there is some hope. A new device is being marketed that could save countles
VOA标准英语2010年(一月)
Life-saving Heart Pump Developed for Children Sixteen-year-old Marco Murguia can now play basketball and live a normal life. But in early 2007, when he was ten, his mother, Connie Murguia, noticed he was acting sluggish and took him to Texas Children
VOA标准英语2012年(八月)
'Horseheads' dip into the earth to make their owners a few bucks Ted Landphair | Washington, DC 31 March 2010 If you wonder why pumpjacks are sometimes called horseheads, stick a couple of ears and paint an eye on each side of this one, and you'll se
VOA标准英语2010年(四)月
In Rwanda, Reform Progressing on Many Fronts 卢旺达多方面改革进行中 KIGALI In a checkout line at Kigali's Nakumatt shopping center, employees pack groceries in paper bags. After non-biodegradable polythene bags were banned in 2008, owners
VOA标准英语2014年(四月)
Larry和李华刚刚忙完手头的工作。他们一起去吃冰激凌。李华今天要学两个常用语：my treat和ginormous. LL: Well, Li Hua, you just finished a big paper, and I just finished an important project at work. Let's go for ice cr
美国之音《流行美语》
19. Most people seem to have more bad dreams early in the night, progressing toward happier ones before awakening, suggesting that they are working through negative feelings generated during the day. 【分析】复合句。句子主干为Most people
考研英语长难句讲解
He was going to ride his bike down to South Ferry. He squeezed the tires. They were soft. They needed air. I should buy a pump one of these days, he thought. He rode his bike to K-Mart on 34th Street. He walked the bike inside the store. He went to t
英文短篇故事（纽约）
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
英语单词荟萃
The blue bike was sitting in Owens living room. It had no kickstand, so he had wedged the front tire in between two bookshelves so that the bike would stand upright. Both tires were flat. Dust covered the bike. However, no household spiders had set u
365个英语简短小故事
By Daniel Schearf Islamabad 17 December 2007 A top American general has said Afghanistan's security is improving, despite a resurgent Taliban and increased violence in the country. The general also cited a drop in cross-border attacks and the capture
VOA常速英语2007年（十二月）
MADRID, May 9 (Xinhua) -- China's top tennis player Li Na was focused on the job in hand after defeating Angelique Kerber in the last 16 of the Madrid Open tournament on Wednesday. Li's win over the player who had beaten her in Indian Wells earlier i
英语新闻
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
学个词
Listen to the patients' questions to a doctor.Check the correct answers that the doctors may response. 1.What caused my stomachache? 2.Do I need to take medicine? 3.What is this d rill for? 4.Is the cavity serious? 5.Can you do something about the ca
英语听力练习题
A: Hey, Gary, great to see you again. Please have a seat. So tell me, what seems to be the problem? B: Thanks, doc. Ive got a really bad toothache! I cant eat anything, and look, my face is all swollen. I think it might be my wisdom tooth. A: Well, l
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