パッシブソナー
passhibusonā
1. passive sonar
Noun
#126050
1. passive sonar
1. sonar
1. passive
1. Was not passive sonar.; Wasn't a passive sonar.
1. If/when passive sonar…; If passive sonar were…
1. Probably passive sonar.
1. Wasn't passive sonar.
1. Not passive sonar.
1. Probably passive sonar.
1. Was passive sonar.