瀝青, 柏油
a black viscous mixture of hydrocarbons, obtained naturally or as a residue from petroleum distillation, used for road surfacing and roofing.
:
• The road was paved with bitumen.
這條路是用瀝青鋪成的。
• Roofing felt is often coated with bitumen for waterproofing.
屋頂氈通常塗有瀝青以防水。
