Man giving presentation in lecture hall. Male speeker having talk at public event. Participants listening to lecture. Rear view focus on people in audience.
ID: 401689861
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- 大图:4472 × 2400 像素·37.86 cm × 20.32 cm·300dpi·JPG
- 中图:1000 × 537 像素·35.28 cm × 18.94 cm·72dpi·JPG
- 小图:500 × 268 像素·17.64 cm × 9.45 cm·72dpi·JPG