中文阐述：画面左侧是红军越过雪山草地的“信念长征”，右侧是建设者筑路建桥的“建设长征”。选择该画面是我被先辈们用信念通往光明、用汗水建设新中国的精神所打动。长征精神不仅是历史记忆，更是激励我们新时代青年奋斗的时代力量。这种跨越时空的精神共鸣，让我深刻意识到，每一代人有每一代人的长征路，每一代人都要走好自己的长征路。作为新时代的青年，我们虽无须面对枪林弹雨和极端恶劣的自然环境，但面临着科技攻关、乡村振兴、文化传承等新的“雪山”与“草地”。我们要将这份感动转化为实际行动，在学习和工作中发扬不怕困难、敢于胜利的精神，以坚定的理想信念筑牢精神之基，以扎实的奋斗姿态投身国家建设，让长征精神在实现中国梦的伟大实践中绽放出新的时代光芒。

英文阐述：The left side shows the"Long March of Belief"crossing snowy mountains, while the right depicts the "Long March of Construction" building roads and bridges. I chose this to express my admiration for their belief and sweat. The Long March spirit is not just history, but an inspiring force for our new era.It reminds us that every generation has its own Long March to undertake. As young people in the new era, we may not face snowy mountains or grasslands, but we encounter our own challenges in innovation, development, and social progress. We must draw strength from this spirit, turning admiration into action. By staying firm in our convictions and working diligently, we can overcome modern obstacles and contribute to national rejuvenation, ensuring that the legacy of the Long March continues to shine in our journey toward a brighter future.