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cavalry
騎兵隊が突撃して敵の陣形を崩した。
The cavalry charged and broke the enemy's formation.
騎兵隊は近代戦で次第に姿を消した。
Cavalry gradually disappeared in modern warfare.
映画で描かれた騎兵隊の活躍に感動した。
I was moved by the cavalry's exploits depicted in the movie.