Seminar blur background training workshop event video recorder camera man speaker lecturer giving business talk presentation speech or educational conference with audience in auditorium lecture hall
ID: 1018258204
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- 大图:4203 × 3002 像素·35.59 cm × 25.42 cm·300dpi·JPG
- 中图:1000 × 714 像素·35.28 cm × 25.19 cm·72dpi·JPG
- 小图:500 × 357 像素·17.64 cm × 12.59 cm·72dpi·JPG