Source: http://commons.wikimedia.org/wiki/File:Bittersweet_(PSF).png Info: http://en.wikipedia.org/wiki/Solanum_dulcamara or http://en.wikipedia.org/wiki/Celastrus (?) 生物學 植物學 線條藝術 苦樂參半
Vector sketches of chemical formulas, symbols and illustrations 時尚 創意 品質 Chemical Formula Science Vector Symbols