燃氢发动机

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

万花筒 2008-05-05&-05-06 通用汽车大秀氢燃料车

General Motors calls it one answer to the problem of Americas heavy dependence on foreign oil--Hydrogen fuel cell vehicles. At the only gas station in Washington capable of fueling the vehicles, GM showed off few of its hydrogen-fuel-cell powered ve

发表于:2018-12-11 / 阅读(27) / 评论(0)

万花筒2008年

202 Useful Exercises for IELTS Side2-01-AudioTrack01

Narrator: Exercise 3.9. Lecture 3: Electric cars? Solar-powered buses? When most people imagine solutions to the problems of city air pollution they probably think of electricity and solar power. But the problem with an electric car is that the elect

发表于:2018-12-30 / 阅读(81) / 评论(0)

202 Useful Exercises for IELTS

EXPLORATIONS - Fuel Cell Cars

EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-02 / 阅读(67) / 评论(0)

Explorations

科学美国人60秒 SSS 2016-8-13

If you've gone shopping for a car lately, you might have noticed that fuel economythe number of miles per gallonis creeping up. One reason is a more efficient type of fuel injection, called gas direct injection. Its a feature of half the new cars sol

发表于:2019-01-20 / 阅读(32) / 评论(0)

2016年Scientific American(八)月

美国国家公共电台 NPR As More Electric Cars Arrive, What's The Future For Gas-Powered Engines?

SCOTT SIMON, HOST: The Democrats' proposed Green New Deal calls for America to eliminate greenhouse gas emissions from U.S. transportation, an ambitious goal that would require - among many other things - phasing out cars that run on gasoline. That m

发表于:2019-03-17 / 阅读(312) / 评论(0)

2019年NPR美国国家公共电台2月

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学英语单词

a fertile imagination

abu latt (abulat ) i.