a port and largest city in Louisiana; located in southeastern Louisiana near the mouth of the Mississippi river; jazz originated among black musicians in the late 19th century; Mardi Gras is celebrated here each year是什麼意思_a port and largest city in Louisiana; located in southeastern Louisiana near the mouth of the Mississippi river; jazz originated among black musicians in the late 19th century; Mardi Gras is celebrated here each year在線翻譯_英語_讀音_用法_例句