mejoraban

form-of imperfect indicative plural third-person

mejorarの三人称複数直説法過去未完了形

English Meaning

third-person plural imperfect indicative of mejorar

Durante los entrenamientos, mejoraban su resistencia y técnica para ganar el campeonato.

練習中、彼らはチャンピオンシップに勝つために、持久力と技術を向上させていた.

During practices, they were improving their endurance and technique in order to win the championship.