| 单词 | observation balloon |
| 释义 | > as lemmasobservation balloon observation balloon n. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > balloons and airships > [noun] > balloon > types of balloon fire balloon1754 Montgolfier1783 hot-air balloon1843 sausage1858 sausage balloon1874 observation balloon1909 obbo1925 aerostat1974 1909 London Mag. Sept. 15/2 He made numerous ascents in captive observation balloons. 1983 J. D. Harvey Tumbling Mirth (1986) 80 Speaking as an old infantryman, I should like to pay tribute to a very special band of RAF kite-balloon pilots who manned the first observation balloons. < as lemmas |
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