Medium close-up shot of researcher wearing protective gear examining test tube in laboratory
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- 大图:4608 × 2160 像素·39.01 cm × 18.29 cm·300dpi·JPG
- 中图:1000 × 469 像素·35.28 cm × 16.55 cm·72dpi·JPG
- 小图:500 × 235 像素·17.64 cm × 8.29 cm·72dpi·JPG