bi·tu·men
noun/ˈbɪtʃʊmən/
/bɪˈtuːmən/
[uncountable]- a black sticky substance obtained from oil, used for covering roads or roofs
沥青 - (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
- a kilometre and a half of bitumen
Word Originlate Middle English (denoting naturally occurring asphalt used as mortar): from Latin.