“grade attainment”概念、定义、翻译-科学时代

单词	grade attainment
释义	人口学词汇手册 grade attainment 年级数
随便看	added title page added touch added value added value added value added value added value added value of marine industries added-value statement added value tax added value tax added-value tax added value tax added volume added volume addend addend addendum addendum addendum addendum addendum addendum addendum addendum

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。