Chemist in chemical laboratory. Flat background. Cartoon horizontal banner. Black woman scientist in white coat holds flask with new medicine near pharmaceutical equipment. Medical research
ID: 1227835291
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- 大图:6000 × 2885 像素·50.8 cm × 24.43 cm·300dpi·JPG
- 中图:1000 × 481 像素·35.28 cm × 16.97 cm·72dpi·JPG
- 小图:500 × 241 像素·17.64 cm × 8.5 cm·72dpi·JPG