生色基也称发色基(团) : 是指分子中某一基团或体系，由于其存在能使分子产生吸收而出现谱带,这一基团或体系即为生色基。 — 有机化合物分子中，这些生色基的结构特征大都是含有π电子。如羰基、羧基、酯基、硝基、偶氮基及芳香体系等。
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When I lived in China, there were no libraries. My mother bought books for me, and they were mostly the classics. I read 'Peter Pan,' 'The Secret Garden,' the 'Rosemary' books, and Kipling's 'Just So' Stories was one of my favorites. No, I didn't read historical fiction. It didn't exist where I was growing up in China.