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Noun:
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any of various naturally occurring impure mixtures of hydrocarbons
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用作名詞 (n.)
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Bitumen paper can be burnt to gain energy.
乳化瀝青紙也可以梵燒以榮獲消耗的能量。
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In their natural state, oil sands are made of quartz sand covered by layers of water and bitumen.
在自然而然感覺下
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上述東西獨有創作實踐，受專著權保證，版權侵權必究
海詞詞典下載，十二年廠家
美
[b?'tu?m?n]