短语词组短語peacetime frontier 和平邊界Peacetime presence 平時駐軍peacetime strength 平時兵力peacetime missions 和平時期任務peacetime ventilation 平時通風Peacetime accomplishments 平時成勣Peacetime Training 平時訓練Peacetime cost 平時費用peacetime repair 平時脩理 返回 peacetime