Prompt:

Middle-aged woman in a lab coat, examining a test tube. Stern expression. Silver streaks in her hair. Modern laboratory. Fluorescent lights. White walls, high-tech equipment. Medium shot, waist up. Neutral lighting, reflections on glass surfaces. High contrast. --ar 16:9 --v 6.0

一位中年女性穿着实验室外套，正在检查试管。表情严肃。她的头发中有银色条纹。现代实验室，荧光灯，白色墙壁，先进设备。中角度拍摄，腰部以上。中性光源，玻璃表面有反射效果，高对比度。