DallasyoudaoicibaDictYouDict[Dallas 词源字典]
city in Texas, U.S., settled 1841, named 1846 for George M. Dallas (1792-1864), U.S. vice president under Polk (1845-49); the family name (13c.) is from the barony of Dallas (Moray) or means "dweller at the house in the dale."[Dallas etymology, Dallas origin, 英语词源]