

博物館で本物の潜水艦の中を見学しました。
潜水艦は何メートルまで潜れるんですか。
子どもの頃、潜水艦の船長になるのが夢でした。
"せんすいかん(潜水艦)" is in the lesson "Transportation" (Level 39), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.