| 释义 |
bi·tu·men AHD[bĭ-to͞o′mən, -tyo͞o′-, bī-] D.J.[bɪˈtuːmən, -ˈtjuː-, baɪ-]K.K.[bɪˈtumən, -ˈtju-, baɪ-]n.（名词）- Any of various flammable mixtures of hydrocarbons and other substances, occurring naturally or obtained by distillation from coal or petroleum, that are a component of asphalt and tar and are used for surfacing roads and for waterproofing.沥青，柏油：一种碳氢化合物和其他物质的易燃混合物，自然产生或通过蒸馏煤或石油而获得，是沥青和焦油的混合物，用于铺路和防水
- Middle English bithumen [a mineral pitch from the Near East] 中古英语 bithumen [近东的一种沥青]
- from Latin bitūmen 源自 拉丁语 bitūmen
- [perhaps of Celtic origin] [可能源于凯尔特语的]
bituʹminoid' AHD[-mə-noid'] （形容词） |