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krtača | |||
ogljik | |||
ogljik | |||
英语 词库 | |||
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A naturally abundant element that occurs in many inorganic and in all organic compounds, exists freely as graphite and diamond. | |||
carb | |||
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Carboniferous (MichaelBurov); Carb (MichaelBurov) | |||
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Carboniferous (MichaelBurov); Carb (MichaelBurov) |
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