横鳍燃料元件

Uses Hydrogen1 as Fuel2

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(71) / 评论(0)

VOA2003（上）-科技导航

VOA标准英语2008年-Rising Fuel Prices Cause Global Change in Trans

People around the world are feeling the effects of the rising oil prices. More expensive fuel means changes in transportation habits, as well as hard times in places where the cost of basic goods is also rising. It also means an uncertain future for

发表于:2019-01-07 / 阅读(40) / 评论(0)

VOA标准英语2008年（八月）

2006年VOA标准英语-Oil Prices Sharply Higher - American Consu

By Mil Arcega Washington, DC 18 April 2006 watch report Rising Gas Prices Crude oil futures hit $70 a barrel for the first time in seven-and-a-half months Monday, pushed higher by concerns over declin

发表于:2019-01-13 / 阅读(86) / 评论(0)

2006年VOA标准英语（四月）

Step by Step 3000 第1册 Unit7:Transporation(2)

Part 2. Green Transporation Festival. Keywords. Green Transporation Festival, oil, environment, reduce, other kinds of fuels. Vocabulary. hydrogen, propane, scooter, hybrid, ethanol. A. You are going to hear a report on green transporation festival.

发表于:2019-02-03 / 阅读(75) / 评论(0)

step by step 3000 第一册

2007年VOA标准英语-US Invests Massively in Biofuel, but Benefits U

By Greg Flakus Houston 05 April 2007 The quest for a fuel that will both reduce air pollution and U.S. dependence on imported energy has led to massive investments in ethanol and other fuels produced from plants. Backers of programs to develop such e

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2007年VOA标准英语（四月）

天籁音乐:Balloons

Foals，驹乐队，是由主唱/吉他手Yannis Philippakis、吉他手Jimmy Smith、贝斯手Walter Gervers、鼓手Jack Bevan、键盘手Edwin Congreave这五位20岁出头年轻小伙子所组成的乐团，曲风光怪陆离、难以定位，就像

发表于:2019-02-20 / 阅读(66) / 评论(0)

天籁音乐

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amylpencillin sodium

annularity

aristotle's theory of motion