“NI (national insurance)”概念、定义、翻译-科学时代

单词	NI (national insurance)
释义	请查阅NI--NI (national insurance)
随便看	elemenonic acid element element element element element element element element element element element element element element element abundance element abundance elemental abundance elemental area elemental cost analysis elemental force elemental force elementalism elementalism Elementalism

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。