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IELTS BNC: 24047 COCA: 35548

bitumen

noun
/ˈbɪtʃʊmən/
/bɪˈtuːmən/
[uncountable]
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  1. a black sticky substance obtained from oil, used for covering roads or roofs沥青
  2. (Australian English, informal) the surface of a road that is covered with tar沥青路面;柏油路面
    • a kilometre and a half of bitumen一公里半的柏油路面
  3. Word Originlate Middle English (denoting naturally occurring asphalt used as mortar): from Latin.

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