Teaching Concept. Female speaker in front of whiteboard screen giving presentation participants listening making notes. Studies course
ID: 1128174461
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- 大图:3463 × 2597 像素·29.32 cm × 21.99 cm·300dpi·JPG
- 中图:1000 × 750 像素·35.28 cm × 26.46 cm·72dpi·JPG
- 小图:500 × 375 像素·17.64 cm × 13.23 cm·72dpi·JPG