英文英文字典

英文英文字典

古腾堡计划中的在线英语-英语词典

结果

Betaine的结果

Betaine (n.)
A nitrogenous base, C5H11NO2, produced artificially, and also occurring naturally in beet-root molasses and its residues, from which it is extracted as a white crystalline substance; -- called also lycine and oxyneurine. It has a sweetish taste.