(Taking place or situated) in the direction away from the sun; with one's back to the sun; frequently in Military contexts.
1950s; earliest use found in Woodford Heflin (1903–1990).
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。