A postal service that uses balloons; specifically the service which operated out of Paris during the Franco-Prussian War of 1870–1.
Late 19th century; earliest use found in Food Journal.
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。