X-chromosome
noun [ C ] uk/ˈeksˌkrəʊ.mə.səʊm/ us/ˈeksˌkroʊ.mə.soʊm/
X染色体
a sex chromosome (= a structure containing chemical patterns) that exists as a pair in the cells of females and with a Y-chromosome in the cells of male animals
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。