Young thoughtful dark skinned researcher wears round big spectacles keeps finger on temple thinks how to make new research in laboratory isolated over white background. People and lifestyle concept
ID: 735022144
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- 大图:7064 × 4710 像素·59.81 cm × 39.88 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 333 像素·17.64 cm × 11.75 cm·72dpi·JPG