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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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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