名詞 asphalt:

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
   同義詞：mineral pitch

動(dòng)詞 asphalt:

1. cover with tar or asphalt

1. He covered over the hole in the roof with a piece of asphalt felt.
   他用一塊瀝青油氈蓋住了房頂?shù)穆┒础?/div>
2. Mixed asphalt and crushed stone gravel or sand, used for paving or roofing.
   瀝青混泥土碎石或沙子與瀝青的混合物，用于鋪路或封層頂
3. Asphalt is used for making road surfaces.
   瀝青常用于鋪路。
4. The workers mixed the asphalt with sand and gravel together.
   工人們把瀝青和沙子、石塊混合在一起。

as.phalt

n.（名詞）
A brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing.
瀝青，柏油：一種黑褐色固體或半固體瀝青混合物，采自天然礦藏或是石油的副產(chǎn)品，用于鋪路，封屋頂和防水
Mixed asphalt and crushed stone gravel or sand, used for paving or roofing.
瀝青混泥土：碎石或沙子與瀝青的混合物，用于鋪路或封層頂
v.tr.（及物動(dòng)詞）
as.phalted,as.phalt.ing,as.phalts
To pave or coat with this mixture.
用這種混合物鋪路或覆蓋

來(lái)源：
Middle English aspalt
中古英語(yǔ) aspalt
from Medieval Latin asphaltus
源自 中世紀(jì)拉丁語(yǔ) asphaltus
from Greek asphaltos
源自 希臘語(yǔ) asphaltos

【引伸】
asphal.tic
adj.（形容詞）