音标：[ɔɪl fri ˈpɪstən ɪkˈspænʃən ˈɛndʒɪn] ；

无油润滑活塞式膨胀机

用Mp3背六级单词086

tease inlet supplement outcome growl shell graphic muddy similarity specimen vowel intermittent terrorist shorten elite should piston prophecy shovel woe brand shrill diligent biography preside

发表于:2018-12-01 / 阅读(164) / 评论(0)

用Mp3背六级单词

英语听力暮光之城•暮色第4期:卡车

Well, Billy's done a lot of work on the engine it's only a few years old, really. 哦，比利已经在发动机上下了大力气了才几年的车，真的。 I hoped he didn't think so little of me as to believe I would give up that easily. When d

发表于:2018-12-03 / 阅读(144) / 评论(0)

暮光之城•暮色

美国动力公司研发提升五成油效对置活塞二冲程发动机

美国动力公司研发提升五成油效对置活塞二冲程发动机 This little engine looks like it has only three pistons, but in fact, it has six, sharing only three cylinders. 这台小身材引擎看起来只有3个活塞,但事实上却有

发表于:2018-12-16 / 阅读(144) / 评论(0)

VOA标准英语2016年(三月)

纯正地道美语(外教讲解)273：汽车保养

A:Welcome to Als Garage. What seems to be the problem? B:No problem at all! I am taking a long road trip and I want to make sure my car is in good mechanical condition. A:Very wise decision. When was the last time you had a tune up? B:Not that long a

发表于:2018-12-25 / 阅读(130) / 评论(0)

纯正地道美语

北师大初中英语七年级下--Expansion 12-1

[00:00.00]UNIT 12 Expansion 12 [00:07.10]2 Hi,James, [00:09.92]Thanks for you letter. [00:11.35]You asked about my home. [00:13.58]I live with my parents in an apartment [00:14.97]in a district in the east of Beijing. [00:19.02]I live quite near Beij

发表于:2018-12-29 / 阅读(200) / 评论(0)

北师大版初中英语七年级下

北师大初中英语七年级下--Expansion 11-1

[00:00.00]UNIT 11 Expansion 11 [00:09.20]1 One day in England Diego [00:12.71]and Fernanda were very hungry. [00:15.40]They didn't have any food [00:17.34]and they didn't have any money. [00:19.65]So they thought out a clever plan [00:21.78]to get a

发表于:2018-12-29 / 阅读(224) / 评论(0)

北师大版初中英语七年级下

英语听力文摘 English Digest 587、气泵上的辛烷值是什么意思？

What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio

发表于:2018-12-31 / 阅读(130) / 评论(0)

英语听力文摘 English Digest

VOA慢速英语--Vietnam's Tech Company Says Free Trade Will Help Expansion

Vietnams largest technology company may profit from a free trade deal agreed to at the Asia-Pacific Economic Cooperation, or APEC, meetings in Da Nang this month. The new agreement replaces the Trans-Pacific Partnership, from which the United States

发表于:2019-01-03 / 阅读(144) / 评论(0)

2017年VOA慢速英语(十一)月

2007年VOA标准英语-Sandia Laboratories Develops Promising Solar Te

By Greg Flakus Albuquerque, New Mexico 25 July 2007 Large scale collection of solar power arrays As the world searches for ways to produce energy without burning fossil fuel, there is increased interest in solar energy. One place associated with sola

发表于:2019-01-12 / 阅读(170) / 评论(0)

2007年VOA标准英语（七月）

VOA标准英语2012--Ocean Floor Reveals Past Climate Changes

Ocean Floor Reveals Past Climate Changes Time capsule Lamont research professor Maureen Raymo, the director of the Core Repository, slides open a long, narrow drawer from the cabinet. Like thousands of others here, the drawer contains a long, thin cy

发表于:2019-01-13 / 阅读(158) / 评论(0)

VOA标准英语2012年(一月)

新型内燃机效率提高50%

This Internal Combustion Engine is 50% More Efficient 新型内燃机效率提高50% Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile

发表于:2019-01-14 / 阅读(160) / 评论(0)

VOA标准英语2016年(三月)

趣味青春英语电台第235期:Perk up your ears

Idiom: Perk up your ears ( listen carefully ) Hit the book: Consult Cultivate Fuss free Tantrum Moody Bipolar Vent out Bad hair day Low profile 1.Robots are easy to please Being friends with robots is not really rocket science. You don't even have to

发表于:2019-01-22 / 阅读(161) / 评论(0)

趣味青春英语

胡敏读故事记单词（12）

发表于:2019-01-26 / 阅读(130) / 评论(0)

英文语法词汇

VOA标准英语2010年-1001 Inventions and Muslim Heritage

Coffee, computers and piston engines - could we imagine a world without them? These are intricate parts of every day life for most of us and the knowledge that led to them was either invented by or passed down through the ancient Muslim world. That's

发表于:2019-02-05 / 阅读(147) / 评论(0)

VOA标准英语2010年(二月)

汽车汉英词汇一

汽车类Automobile 整车Finished Automobile 轿车Passenger Car 休旅车Recreational Vehicle (RV) 小型商用车(3.5吨以下)Light Duty Commercial Car (Less Than 3.5 Tons) 大型商用车(3.5吨以上)Heavy Duty Commercial Car (More Than 3.5 Tons) 散装车Bulk Truck 搅拌车

发表于:2019-02-05 / 阅读(160) / 评论(0)

英文语法词汇

学个词Learn a Word 第1363期　hail

今天我们要学的词是hail。 Hail, 是热烈欢迎，称颂的意思。目前已证实，利比亚前领导人卡扎菲被打死。 The Western world hailed Gaddafi's death as the 'end of a painful chapter' for Libyans, 西方国家欢迎卡扎菲

发表于:2019-02-05 / 阅读(119) / 评论(0)

英语单词荟萃

浙大学生发明用空气洗手装置获得国际大奖

A group of senior students from Zhejiang University have successfully developed an air hand-washing device. 浙江大学的一队大四学生成功研制出了空气洗手装置。 The device utilizes an infrared ray induction system, which detects t

发表于:2019-02-06 / 阅读(168) / 评论(0)

英语新闻

CCTV9英语新闻：迪士尼暑假 3D 動畫鉅製冠軍飛機王化身救火英雄

When Dusty learns that his engine is damaged and he may never race again, he shifts gears and is launched into a world of aerial firefighting. I thought it was a great start. I knew that it would be a more of a harrowing adventure. The first film was

发表于:2019-02-13 / 阅读(177) / 评论(0)

CCTV9英语新闻2014年07月

英语博客：Oil change at Oil Can Henry's.

I got a phone call from my husband the other day, Hey babe, can you take the car to get the oil changed please? It's overdue. As he works forty-five minutes from town, he rarely has time to run those errands back in Wenatchee, so he gets his secretar

发表于:2019-02-17 / 阅读(142) / 评论(0)

英语博客 A cup of English

学个词Learn a Word 第1696-expansion

今天我们要学的词是expansion。Expansion 扩展，扩充。The Kennedy Arts Center unveiled a $100 million expansion plan. 肯尼迪艺术中心宣布扩展计划，耗资一亿美元。President Obama supported the expansion of H1B visas fro

发表于:2019-02-18 / 阅读(139) / 评论(0)

英语单词荟萃

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学英语单词

antibacterial antibody

aquilegias

auto responder

badias

barometric reduction table