单词：jacketed-pipe high-pressure steam preheater
单词：jacketed-pipe high-pressure steam preheater 相关文章
An Englishman is at home with his girlfriend. (E=Englishman; G=girlfriend) G: Have you gone mad? Why are you roaring your head off like a lion? E: Rrrrr...ah! G: Hey, have you gone off your rocket or
赖世雄中级美国英语
A: Have you been having any problems lately? B: No, but the nurse at school says that I should have my blood pressure checked. A: Do you have a history of high blood pressure? B: No, I have never been told that I have high blood pressure. A: High blo
健康-Health
Cooking Under Pressure When you boil potatoes on the stove top, it can take half an hour to cook them til tender. But, when you boil them in a pressure cooker, instead presto, theyre ready in about five minutes. Whats the difference? What makes press
英语听力文摘 English Digest
The United States has partnered with the United Nations Foundation's Girl Up campaign, Intel Corporation, Google, and other partners to lead the third annual Women in Science Girls STEAM Camp, to enable to girls to study the science, technology, engi
VOA标准英语2017年(8月)
By Carol Pearson Washington 22 August 2007 High blood pressure, or hypertension, is a disease usually associated with adults, but children can get it too and can have serious health problems because of it. A new study is now calling for pediatricians
2007年VOA标准英语（八月）
A workboat pulls boom into place alongside the Pacific Responder oil skimming vessel in the Gulf of Mexico near the coast of Louisiana, 14 Jul 2010 BP has restarted a pressure test on a leaking oil well in the Gulf of Mexico to prepare for an effort
VOA标准英语2010年(七)月
Kenya Moves Full-Steam Ahead on Geothermal Production Kenya is expanding plans to become one of the worlds top geothermal power producers with the start of explorations at a site called Menengai. The government is also aiming to make geothermal Kenya
VOA标准英语2011年(十一月)
VOA常速英语2014--High Blood Pressure in Young Adults Could Lead to Heart Disease 青年时血压高能导致心脏病 February is heart health month, and a new study that provides clues to young people about keeping their hearts healthy. The stud
VOA标准英语2014年(二月)
Dietary Changes Help Lower Blood Pressure Sunday, April 7, is World Health Day, and this years theme is high blood pressure, also known as hypertension. The World Health Organization has recommended reducing salt or sodium intake to lower the risk of
VOA标准英语2013年(四月)
今天我们再来给大家讲解两个以steam为主的常用语。我们先来讲第一个。To go full steam ahead. Full就是全部，steam是蒸汽，ahead就是向前。To go full steam ahead的意思是：全力以赴。 原来，to go full st
美国习惯用语
在今天我们要讲的两个习惯用语里，一个关键的字就是：Steam. Steam就是蒸气。有的人说，詹姆斯.瓦特在1769年发明了蒸气机。这是现代化时代的开始。在工业化时代的初期，蒸气为火车，轮船和
美国习惯用语
[00:01]R：I'm so glad you're going on this trip! [00:03]E：Yeah! I've been working so hard this semester. [00:07]I really need to go crazy, you know, blow off some steam. [00:09]R：Sure. Sure. [00:13]Look, I don't, I don't know if your plans are f
英美人天天都在说的4000句:跟着影视学最真实的口语
A: Have you been having any problems lately? B: No, but the nurse at school says that I should have my blood pressure checked. A: Do you have a history of high blood pressure? B: No, I have never been told that I have high blood pressure. A: High blo
英语情景对话-健康
A: Have you been feeling OK lately? B: My coach wants you to check my blood pressure. A: Has anyone ever told you that you had high blood pressure? B: I dont have any symptoms of high blood pressure. A: People with high blood pressure seldom know the
英语情景对话-健康
RACHEL MARTIN, HOST: When people with simple, non-urgent medical problems go to the emergency room for treatment, it creates all kinds of problems - ERs get overcrowded, treatment is expensive, it's often inefficient. This is a big issue here in Wash
2018年NPR美国国家公共电台1月
By Jim Stevenson Washington 04 January 2006 Snowboarding's halfpipe competition has quickly evolved to become one of the more popular winter Olympic events. One of the early stars of the sport was Ame
2006年VOA标准英语（一月）
By Melinda Smith Washington 12 September 2007 A recent study indicates that a disturbing number of American children with high blood pressure go undiagnosed. The study has prompted discussion worldwide about whether hypertension among children is jus
2007年VOA标准英语（九月）
今天我们要学的词是 pick up steam. To pick up steam 意思是提升速度和实力。比如，The hurricane is picking up steam. 飓风风力正在逐渐加强。上星期五公布的数字显示，美国经济10月份增加了17万1千个就业
英语单词荟萃
There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th
英国学生科学读本
Boiling Water Under Boiling Clouds You may be surprised to hear that its actually easier to boil water on stormy days than it is when the weather is clear and sunny. Can you guess why? The reason is that the boiling point of water changes slightly in
英语听力文摘 English Digest