A chalkboard filled with chemical equations and molecular structures, ideal for educational materials in chemistry, science classes, or research presentations.
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A chalkboard filled with chemical equations and molecular structures, ideal for educational materials in chemistry, science classes, or research presentations.
A chalkboard filled with chemical equations and molecular structures, ideal for educational materials in chemistry, science classes, or research presentations.- 素材ID：989819374举报
- 格式：JPG
- 作者：Makaron
- 尺寸：S1000 x 480px · 35 x 16cm · 72dpiM2300 x 1105px · 81 x 38cm · 72dpiL4000 x 1923px · 33 x 16cm · 300dpiF6912 x 3328px · 58 x 28cm · 300dpi
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