?加仑
... gallon-octane加仑-辛烷值 gallonage加仑数 galloping飞奔；飞车 ...
Mercedes recommends 91-octane fuel, but the per-gallon difference of 15 to 20 cents seems a high price to pay for a grade that is only two octane levels higher than regular.
WSJ: Is Regular Gas Good Enough?
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。