The microphone in the classroom seminar lecture room or conference meeting in educational
ID: 1045581019
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- 大图:3590 × 2497 像素·30.4 cm × 21.14 cm·300dpi·JPG
- 中图:1000 × 696 像素·35.28 cm × 24.55 cm·72dpi·JPG
- 小图:500 × 348 像素·17.64 cm × 12.28 cm·72dpi·JPG