asphalt
英 ['æsfælt; -əlt]
美['æsfɔlt]
	    - n. 沥青;柏油
 - vt. 以沥青铺
 - adj. 用柏油铺成的
 
英英释意
- 1. mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing
 
- 2. a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons