Fuel Cell Cost-Cutting

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

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Part 13: Asking the way. 问路 1. Excuse me . 劳驾 Can you tell me the way to the station please , Do you know the way to the station please. How do I get to the station please. 你能告诉我去车站的路吗？ 2. Left 左 Right右 Turn left 向左转 , Turn righ

国家地理-2008-05-24 Fuel Cell 聚焦燃料电池

For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea

儿童英语读物 Caboose Mystery CHAPTER 5 Glass Factory Junction

In a short time the train stopped at Glass Factory Junction. The Aldens got off the train and looked around. They could not see any sign of a town. There was a small freight station on one side of the tracks and a large factory on the other. Everythi

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Enamel prisms - rod-like bundles of hydroxyapatie crystals which are orientated at right angles to the tooth surface. Each prism can be traced from the outside of the enamel all the way to the dentine

专业术语—口腔生理学术语C2(英文详解)

Cemento-enamel junction- the junction between the enamel covering the crown of the tooth and the cementum covering its root. Often referred to as the CEJ. Cementoblasts - cells of mesenchyme origin, i

专业术语—口腔生理学术语M3(英文详解)

Morphogenesis - the process in which tissue shapes and organ structures are developed during embryology. Morphogenic fieled - an environment in which the shape or pattern of a developing organ is dete

专业术语—口腔生理学术语N(英文详解)

Nerve growth factor- a cytokine that promotes the growth and repair of sensory nerves and maintenance of sympathetic nerves. Neural crest cells - cells derived from the ectoderm layer in the embryo. T

创新英语教程第三册UNIT17

[00:05.09]2 While you listen More sleeping policemen! [00:13.95]Did you hear about that did who was knocket down on Junction Road the other day? [00:21.21]Yes,it was awful,wasnt it? Still,its hardly surprising,is it? [00:27.27]What do you mean? [00:3

Obama, Republicans Spar Over Taxes

WHITE HOUSE President Barack Obama and former Massachusetts Governor Mitt Romney, Obama's probable Republican opponent in November's presidential election, are campaigning on economic issues. The president campaigned Tuesday in the Midwestern state o

过了21岁 我们还剩多少朋友？

We're most popular at 21 (but after that, our 99 friends fall away). 我们在21岁的时候最受欢迎朋友最多（在那之后，我们人生中的99个朋友都会消失不见）。 We have a staggering 99 friends at the age of 21 - more than a

汽车行驶警示语

禁止标志： 1． 禁喇叭 No horn. 2． 禁闯红灯 No joywalking. 3． 禁止通行 No passing. No Through Traffic. 4． 禁止越线 Keep in lane. 5． 禁止汽车 Auto Not Permitted. 6． 不准回转 No U Turn 7． 不准入内 No Entry 8．

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

英语常用标识语和提示语一

I. Road and Traffic 公路和交通 Approaching end of motorway 即将驶出高速。 Avoid the jams. 避免交通堵塞。 Dangerous bend 弯道危险 Diverted traffic 交叉路口 Entry to motorway 高速入口 Left junction 左交叉口 Look left

女司机发生车祸概率更高

Women drivers are more likely to be involved in an accident, according to scientists。 Researchers looked at 6.5million car crashes and found a higher than expected number of accidents between two female drivers。 They also discovered that women ha

Turn Off Your Cell Phone 关掉你的手机

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

Buildings collapse after subsidence in S China

GUANGZHOU, Jan. 28 (Xinhua) -- Two buildings consisting of six shops collapsed Monday afternoon after subsidence in Guangzhou, capital of south China's Guangdong Province, the municipal government has confirmed. At around 4:40 p.m., subsidence occurr

英国下起“苹果雨” 能砸出多少个牛顿来？

After a series of storm warnings, drivers in the evening rush hour were prepared for almost anything. Except, that is, for it to start raining apples. 因为此前一直收到一连串的风暴警报，所以傍晚下班高峰期的司机们都已经做

U.S. researchers discover human lung stem cell

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi