单词 theophylline 释义 theophylline Chem.|iflan|[irreg. f. mod.L. thea tea + Gr. leaf + -ine5.]A colourless alkaloid, C7H8N4O2, found in tea-leaves.1894in Morley & Muir Watts' Dict. Chem. IV. 682/2. 1899 Syd. Soc. Lex., Theophyllin,..an alkaloid discove...