Home/JLPT N1/Vocabulary/投入投入N1🔊☆ Save to listとうにゅうMeaning—Kanji in this word投入Example sentences敵は新兵力を投入した。The enemy flung fresh troops into the battle.Related words押し入る加入嫁入り介入刈り入れ陥る気に入る記入