How to say “A nuclear-powered sub can stay submerged for months — it's the food that runs out first.” in Japanese
In Japanese
原子力潜水艦なら何か月も潜航中のままでいられて、先に尽きるのは食料なんだって。
Genshiryoku sensuikan nara nankagetsu mo senkōchū no mama de irarete, saki ni tsukiru no wa shokuryō na n da tte.