金属粉切割

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

发表于:2018-12-01 / 阅读(104) / 评论(0)

VOA2003（下）-环境与健康

VOA慢速英语--新技术从河流和潮汐运动中获取能量

New Technology Harvests Energy from River and Tidal Movement A number of companies have used the wind and sun to produce energy. Now, one company is using the force of flowing rivers and ocean currents. The company is based in the U.S. state of Maine

发表于:2019-01-03 / 阅读(41) / 评论(0)

2018年VOA慢速英语(四)月

英语游戏:Metal Sonics Aste...

[全屏观看] 点击右键- 另存为可保存这个Flash影片 Description: Metal Sonic is flying through space and comes to an asteroid field, you need to help him blast his way through without getting hit or its game over. Instructions: Move: Up

发表于:2019-01-08 / 阅读(134) / 评论(0)

Daily Free Games

VOA标准英语2011--High Prices Trigger Rise in Copper Thefts

High Prices Trigger Rise in Copper Thefts When you heard the word copper in old gangster movies, you were talking about the good guys: the police, the cops. Now, when you speak of copper and crime, youre referring to the bad guys. A combination of ci

发表于:2019-01-14 / 阅读(57) / 评论(0)

VOA标准英语2011年(十月)

研究显示太阳电站运行或拉低熔融金属价格

Study: Running Sun Power Plant With Molten Metal May Be Cheaper 研究显示太阳电站运行或拉低熔融金属价格 Power plants that work with concentrated solar power use special molten salt to convert the suns heat into steam which turns the

发表于:2019-01-14 / 阅读(31) / 评论(0)

VOA标准英语2016年(三月)

冰与火之歌系列之《权力的游戏》第929期:第四十四章琼恩(6)

Awkwardly, Jon took the sword in hand. 琼恩僵硬地伸手拿剑。 His left hand; his bandaged right was still too raw and clumsy. 他用的是左手，因为右手不但绑了绷带，而且伤口未愈，不甚灵活。 Carefully he pulled it fr

发表于:2019-03-10 / 阅读(101) / 评论(0)

冰与火之歌系列之《权力的游戏》

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bidirection reasoning