An amino sugar, C₉H₁₇NO₇, which is present in combined form in the cell walls of bacteria and bacterial spores.
1950s; earliest use found in Nature: a weekly journal of science.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。