a postal service that uses balloons; spec. the service which operated out of Paris during the Franco-Prussian War of 1870–1.
| 单词 | θ197758 |
| 释义 | society > communication > correspondence > postal services > [noun] > types of service > conveyance of mail by air (2) balloon post1870 a postal service that uses balloons; spec. the service which operated out of Paris during the Franco-Prussian War of 1870–1. airmail1911 Mail conveyed by air; a service for conveying letters, parcels, etc., by air. |
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