男志愿者形象

生成「男志愿者」写实人像提示词： kind portrait of a young male volunteer in green vest, helping hand gesture, community event background, natural daylight, documentary photography, sincere warm smile, realistic detail, 50mm lens 要求：① 英文提示词；② 中文要点：志愿者马甲、互助场景、真诚感。