第一次世界大戰期間，德國建立了第一所服務性動物訓練學校，以提高在戰鬥中

第一次世界大戰期間，德國建立了第一所服務性動物訓練學校，以提高在戰鬥中失明的回國退伍軍人的活動能力。

結果 (英文) 1:

During World War I, the first service animal training schools were established in Germany to improve the mobility of returning veterans who had been blinded in combat.

結果 (英文) 2:

During World War I, Germany established its first service animal training school to improve the mobility of returning veterans who lost sight in combat.

結果 (英文) 3:

During World War I, Germany established the first service animal training school to improve the activity ability of returning veterans who were blind in battle.