1Originally US a mission established by a religious group to help the underprivileged, etc.
2A military or other mission undertaken with the aim of rescuing a captured or stranded person.
Late 19th century; earliest use found in The Chicago Tribune.
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。