推力型旋转失效试验

Airplane Engines In 1945, a new type of airplane engine was invented. It was much lighter and more powerful than earlier engines, and enabled warplanes to fly faster and higher than ever. This type of engine was called the jet engine because it below

发表于:2018-11-30 / 阅读(160) / 评论(0) 分类 英语专业四级考试指南

3 Pines 松树 John Ruskin 约翰拉斯金 The pine, placed nearly always among scenes disordered and desolate, brings into them all possible elements of order and precision. Lowland trees may lean to this side and that, though it is but a meadow bre

发表于:2018-12-03 / 阅读(110) / 评论(0) 分类 2013年ESL之商务英语

First Flight Completed of Plane with No Moving Parts Engineers say they have carried out the first-ever flight of an electric airplane with no moving parts. Researchers at the Massachusetts Institute of Technology, or MIT, recently shared video of th

发表于:2018-12-14 / 阅读(94) / 评论(0) 分类 2018年VOA慢速英语(十一)月

When I meet difficulties, I will be very impatient and want to give up. Some day I realize that if I keep running away all the time, I will be a loser and make no difference. So I try to get over my fear and become patient. Now I no longer feel afrai

发表于:2019-01-03 / 阅读(123) / 评论(0) 分类 英语作文

Tracey Thorn是怎样从一个艳唇摩登女郎变身成为现在这副臃懒安适的样子的?两幅如油画般深刻抽象的画面终于混杂了视觉,从Everything But The Girl时期的娇艳颓废到如今只身的温暖回归,Tracey T

发表于:2019-01-11 / 阅读(89) / 评论(0) 分类 美国乡村音乐

NASA Successfully Tests New Rocket Engine NASA最强火箭测试成功 火星之旅指日可待 The American space agency successfully tested a powerful new rocket engine this week in the desert of northern Utah. The rocket booster is meant to take a

发表于:2019-01-12 / 阅读(202) / 评论(0) 分类 2016年VOA慢速英语(七)月

Students Aim for Aviation History with Human-Powered Helicopter Within reach What seemed impossible when William Staruk began his PhD studies at the University of Maryland three years ago, is now within reach. He's part of a 50-member team developing

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2013年(五月)

Oncotype DX基因检测 When samples of breast tissue show the presence of a malignant tumor, doctors often prescribe surgery followed by a six-month treatment of medicine, which could include chemotherapy to prevent further spread of cancer cells. 乳

发表于:2019-01-14 / 阅读(117) / 评论(0) 分类 VOA标准英语2016年(一月)

Scientists Creating New Devices to Battle Diabetes 科学家发明新型对抗糖尿病装置 In general, people around the world are eating better and living longer, but they are also moving less. This is contributing to the rise of diabetes, a cond

发表于:2019-01-14 / 阅读(163) / 评论(0) 分类 VOA标准英语2016年(四月)

A: Hello. I'm leaving. Here is my key. B: Just one second, sir, and I'll give you your receipt. Here you go. A: Thank you very much. B: Sir, did you enjoy your stay here? A: Well, most of my time here was pleasant. And New York itself is fantastic. B

发表于:2019-01-15 / 阅读(121) / 评论(0) 分类 英语情景对话-旅馆

MELISSA BLOCK, HOST: In the early 1900s, a housewife in Michigan started studying young children in her living room. She called it a cosmic laboratory of baby training. From that inauspicious beginning sprang something that is now a multimillion-doll

发表于:2019-01-17 / 阅读(134) / 评论(0) 分类 2018年NPR美国国家公共电台9月

AZUZ: Romaine is another type that's getting attention for the wrong reason. The U.S. Centers for Disease Control is warning that a recent E. coli outbreak is connected to romaine lettuce. And this outbreak looks to be pretty widespread. It's affecte

发表于:2019-01-19 / 阅读(87) / 评论(0) 分类 CNN美国有线新闻2018年6月

By Paige Kollock Washington, DC 15 February 2006 watch Athlete Diabetes report According to the World Health Organization, diabetes is the world's fifth most deadly medical condition. VOA's Paige Koll

发表于:2019-02-01 / 阅读(158) / 评论(0) 分类 2006年VOA标准英语(二月)

Researchers from the Third Military Medical University in China said they have developed a cheap, easy test to determine a patient's blood type in a matter of seconds with nearly perfect accuracy. 我国第三军医大学的研究人员日前表示,已

发表于:2019-02-03 / 阅读(105) / 评论(0) 分类 英语新闻

发表于:2019-02-03 / 阅读(113) / 评论(0) 分类 考研英语

今天我们要学的词是no-brainer。 No-brainer, 意思是很容易做,很好理解的事情。The test was a no-brainer, 这次考试简单极了。新英格兰爱国者队是美国最棒的橄榄球队。一个新加盟爱国者队的球员说,

发表于:2019-02-05 / 阅读(107) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是no-brainer。 No-brainer, 意思是很容易做,很好理解的事情。The test was a no-brainer, 这次考试简单极了。新英格兰爱国者队是美国最棒的橄榄球队。一个新加盟爱国者队的球员说,

发表于:2019-02-07 / 阅读(108) / 评论(0) 分类 英语每日一词

STEVE INSKEEP, HOST: Every year, more than 1 million children and adolescents sustain a concussion. The symptoms may vanish in days or last for months. And right now, doctors usually cannot predict how long the recovery will take. That could be chang

发表于:2019-02-13 / 阅读(151) / 评论(0) 分类 2017年NPR美国国家公共电台5月

It is better to be patient and get what you desire in the right time, than have high office thrust upon you when you are not ready. 语音讲解 单词发音 patient adj.有耐心的,能容忍的 desire n.欲望;要求 thrust vt.插;插入;推挤

发表于:2019-02-13 / 阅读(172) / 评论(0) 分类 跟着Gwen学英语之每日早读

Some hands now jumped into a boat alongside, and pushed a little off from the ship. 这时,有些人跳进了傍在船边的小艇,把它撑离了大船一点儿。 Ha! ha! cried Daggoo, all at once, from his now quiet, swinging perch overhead; 哈

发表于:2019-03-10 / 阅读(162) / 评论(0) 分类 白鲸记