underwater navigation |
水中ナビゲーション [すいちゅうナビゲーション] /(n) underwater navigation/EntL2208580/ ------- 潜行 [せんこう] /(n,vs) underwater navigation/travelling incognito/traveling incognito/travelling in disguise/traveling in disguise/EntL1618960X/ ------- 潜航 [せんこう] /(n,vs) submarine voyage/underwater navigation/EntL1391300X/ |