缓冲杆(通过台)

机械类词汇大全-20

799 、重量 weight 800 、重锉法 heavyfiling 801 、限制开关；极限掣 limitswitch 802 、限流器 currentrestrictor 803 、降服点；屈服点 yieldpoint 804 、降压器 stepdown

发表于:2018-11-29 / 阅读(215) / 评论(0)

英文名句短语

SCIENCE IN THE NEWS - Plate Tectonics

SCIENCE IN THE NEWS - Plate Tectonics By Marilyn Christiano Broadcast: Tuesday, February 17, 2004 (THEME) VOICE ONE: This is Science in the News, in VOA Special English. I'm Sarah Long. Graphic Image

发表于:2018-12-07 / 阅读(187) / 评论(0)

科技之光

新东方优美背诵短文50篇 Unit36:Plate Tectonics and Sea-floor Spreading

The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen plates o

发表于:2018-12-08 / 阅读(524) / 评论(0)

新概念优美背诵短文50篇

卢旺达加强对女童的STEM教育

Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c

发表于:2019-01-02 / 阅读(170) / 评论(0)

2017年VOA慢速英语(十二)月

美国习惯用语:482 step up to the plate...

今天还是要继续讲两个在大选期间新闻界常用来报道选战形势的习惯用语。你知道哪一种运动是美国人日常用语最丰富的源泉呢？是美国最风行的球类运动：棒球。今天要说的两个习惯用语都

发表于:2019-01-09 / 阅读(217) / 评论(0)

美国习惯用语

美国习惯用语:295 step up to the plate

在美国每年棒球季节的第一场比赛相当于春天来临的信息。说真的，这一百多年来最得美国大众青睐的运动就是棒球，而棒球运动也成了习惯用语的丰富来源。我们今天就专讲一些出自棒球运

发表于:2019-01-09 / 阅读(228) / 评论(0)

美国习惯用语

UNIT 4 Look into Science! Lesson 28: Fill My Plate

[ti:UNIT 4 Look into Science! Lesson 28: Fill My Plate] [0:00.567]UNIT 4 第四单元 [0:02.629]Look into Science! 走进科学！ [0:04.999]Lesson 28: 第28课： [0:07.524]Fill My Plate 把我的盘子装满 [0:15.770]It's time for lunch! 该吃午饭

发表于:2019-01-09 / 阅读(295) / 评论(0)

河北教育初中英语（初中起点）八年级下册

原版英语对话：Taking an X-ray(3)

A: I came here to get a chest X-ray. B: I will need you to take your clothes off from the waist up and put on the gown, leaving the opening in the back. A: What comes next? B: I will need you to face this glass plate right over here. A: Should I do a

发表于:2019-01-15 / 阅读(172) / 评论(0)

英语情景对话-健康

每日一词【198】buffer：缓冲

今天我们要学的词儿是buffer。 Buffer是缓冲的意思。Buffer state意思是缓冲国，buffer zone则指缓冲地带。以色列军方为了防止巴勒斯坦激进分子的火箭袭击，打算在加沙地带的边儿上建立一个缓冲

发表于:2019-01-16 / 阅读(185) / 评论(0)

英语每日一词

Nasal Stem Cells Help to Cure Infant Hearing Loss

Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use

发表于:2019-01-19 / 阅读(171) / 评论(0)

世界各地新闻集锦

VOA常速英语2008年-Adult Stem Cells Show Medical Promise

By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds

发表于:2019-01-25 / 阅读(320) / 评论(0)

VOA常速英语2008年（二月）

Stem Cells in Fat

> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(210) / 评论(0)

科技之光

VOA标准英语2008年-UNHCR Gains Access to Buffer Zone in Georgia

The U.N. refugee agency says it finally has succeeded in entering the so-called buffer zone north of the town of Gori in Georgia. Lisa Schlein reports from UNHCR headquarters in Geneva the zone is controlled by Russian military forces and has been o

发表于:2019-02-05 / 阅读(202) / 评论(0)

VOA标准英语2008年（九月）

每天早晨你都在犯的四个护肤错误

You don't want to start off your day on the wrong foot in the skin care department, right? Right. So the fact that there are things that might be sabotaging your complexionwithout you even realizing itis a need-to-know situation. 在护理皮肤方面，

发表于:2019-02-06 / 阅读(154) / 评论(0)

趣味英语

学个词Learn a Word 第198期 buffer

发表于:2019-02-07 / 阅读(177) / 评论(0)

英语单词荟萃

音乐咖啡厅:I need a love song(Babyface娃娃脸)

触动你寂寞的心灵的I need a love song来自优秀音乐人babyface的一首歌！英文歌词: I need a love song I'm looking at the days when I was younger. I fell in love about every summer. And I would be calling up the radio. To dedicate my favorite song to her

发表于:2019-02-07 / 阅读(205) / 评论(0)

音乐咖啡厅

Goalkeeper coach of Argentina's River Plate resigns

BUENOS AIRES, May 24 (Xinhua) -- Ubaldo Fillol, the coach for goalkeepers of the Argentine soccer club River Plate resigned his post on Tuesday following a public fallout after an incident with goalkeeper Juan Pablo Carrizo. I do not forgive these ki

发表于:2019-02-08 / 阅读(211) / 评论(0)

英语新闻

VOA常速英语2007年-Stem Cell Research Dominates 2007 Medical Field

By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia

发表于:2019-02-17 / 阅读(193) / 评论(0)

VOA常速英语2007年（十二月）

Japan Moves to Stem Rising Yen

Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many

发表于:2019-02-18 / 阅读(167) / 评论(0)

英语新闻

学个词Learn a Word 第1520 - stem from

今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表

发表于:2019-02-18 / 阅读(188) / 评论(0)

英语单词荟萃

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学英语单词

14-heptacosanol

actinomycotic esophagitis