Extra pay granted to a soldier on active service, or (more generally) to any person serving or working away from home.
Mid 17th century; earliest use found in James Harrington (1611–1677), political theorist.
英汉双解词典包含464360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。