Costain is a surname of English, Scottish and Manx origin. When originating in Scotland and northern Ireland the surname is an Anglicisation of the Gaelic Mac Austain, meaning "son of Austin".
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。