MackyoudaoicibaDictYouDict[Mack 词源字典]
proprietary name for a brand of heavy automobile trucks, named for brothers John M., Augustus F., and William C. Mack, who established Mack Brothers Company, N.Y., N.Y., in 1902. Their trucks formally known as "Mack Trucks" from 1910.[Mack etymology, Mack origin, 英语词源]