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It was a world independent of sunlight, oxygen, or anything else normally associated with life. 那个世界独立于阳光、氧气和其他通常与生命有关的任何东西。 This was a living system based not on photosynthesis but on chemosynt

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and hang it point downwards from a strip of wood placed across the top of a wide-mouthed bottle, or a pickle-glass, or a tumbler, half full of water. 然后尖头朝下悬挂在一片横放在装有半瓶水的宽口瓶、泡菜瓶或平底玻璃杯口

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This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a few minutes? Today we have a special edition featuring a brief interview with Sciam editor, Steve Ashley. Steve Ashley, a lot of people are very concerned about oil right now, b

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HEALTH REPORT - How Much Water Should People Drink? By Jerilyn Watson Broadcast: Wednesday, March 03, 2004 This is the VOA Special English Health Report. A new study says people should drink when they

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One day when i came home at lunchtime, i heard a funny noise went out to the back yard to find out if it was, one of those rowdy boys. Stood there was my neighbour called Peter, and a Flux Capacitor. He told me he built a time machine like the one in

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I want to make for the highest point on this ancient volcano 我想登上这座古老火山的最高点 for the best view of what this island has to offer, 以便弄清这小岛之中有何玄机 but this terrain is difficult and unpredictable. 但是

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acinous

allowable daily intake