What does 潜水艦 mean?
潜水艦 is a Japanese noun meaning “submarine” in English. It is written as 潜水艦 in kanji, せんすいかん in hiragana, and sensuikan in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
潜水艦は沈んで二度と浮上しなかった。
The submarine sank, never to rise again.