单词 dextran 释义 dextran|dkstrn|[a. G. dextran (C. Scheibler 1874, in Zeit. Ver. Rbenz.-Ind. XXIV. 321), f. dextro- + -an.]a. Chem. An amorphous, gummy substance produced by the fermentation of sucrose and some other organic materials, and now known to...