a metric unit of length equal to one billionth of a meter
同义词:nanometer??/??nanometre??/??nm??/??millimicron??/??micromillimeter??/??micromillimetre
a state in southwestern United States on the Mexican border
同义词:New Mexico??/??Land of Enchantment??/??NM
英汉双解词典包含3185865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。