sounding balloon | n. ลูกบอลลูนตรวจสอบอากาศที่สูง |
Sounding balloon | . An unmanned balloon sent aloft for meteorological or aeronautic purposes. [ Webster 1913 Suppl. ] |
観測気球 | [かんそくききゅう, kansokukikyuu] (n) (1) weather balloon; sounding balloon; (2) observation balloon; espionage balloon; spy balloon; (3) trial balloon [Add to Longdo] |