パイロットバルーンで
pairottobarūnde
1. With a pilot balloon; Using a pilot balloon
Noun
#3118231
1. With a pilot balloon; Using a pilot balloon
1. Was not a pilot balloon.; Was not a test balloon.
1. Was a pilot balloon.
1. Is not a pilot balloon.; Is not a test balloon.
1. Pilot balloon.; Sounding balloon.
1. Probably a pilot balloon.
1. If it were a pilot balloon; If a pilot balloon existed
1. pilot
1. balloon
1. Pilot's; Of a pilot