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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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234. A weary warrior 厌战的勇士 warrior-wheedle I warily weaved my way along the path of the watercourse. I had to remember that I was a warrior. My first duty was to fight the enemy. Like many warriors, I was brave. But unlike many, I possessed

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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

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As High As A Kite I was sitting on the beach the other day watching a kite (In the shape of a two winged aircraft) flying high in the sky. It made wonderful acrobatic maneuvers as if piloted by a person with a lifetimes experience of flying. However

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LULU GARCIA-NAVARRO, HOST: One of the astronauts who walked on the moon has died. Alan Bean was on Apollo 12, the second lunar landing in 1969. He flew in space one more time after that, but it was what he did post-NASA that really left a mark. He di

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That wall over there still has to be taped and textured. 那边的墙还需要刷一点纹理上去 I need you to to grout the hallway floor as soon as they are done with the tile install. 等到他们铺好瓷砖，你就去走廊地板灌浆 All ri

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A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分

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A human hair consists mainly of a protein called Keratin. It also contains some moisture and the trace metals and minerals found in the rest of the body. 人类的头发主要由一种叫角朊的蛋白质组成，并含有水分及在身体其他部分

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All these wonders I glimpsed in the space of a quarter of a mile, barely pausing, following Captain Nemo whose gestures kept beckoning me onward. 约在四分之一海里的空间内，我没有停步，几乎不断地看到这些珍品。尼摩船长向