基本生命物质
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basic life substances
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Since ancient time , wood , fire , earth , metal and water have been considered as basic substances to constitute the universe and they are also indispensable for life.
自古代以来，木、火、土、金、水就被认为是宇宙组成的基本物质，也是生命不可缺少的物质。
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We learn where scientists found one of the basic substances necessary for life.
VOA: special.2009.09.30
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