観測気球
かんそくききゅうkansokukikyuu
noun
- weather balloon
- sounding balloon
- observation balloon
- espionage balloon
- spy balloon
- trial balloon
かんそくききゅうkansokukikyuu
noun
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences