“idiomatic expression”概念、定义、翻译-科学时代

单词	idiomatic expression
释义	教育学词汇手册 idiomatic expression 成语性词语；习惯表达法
随便看	principal axis principal axis principal axis principal axis of inertia principal axis of inertia principal axis of inertia principal axis of inertia principal axis transformation principal belligerent principal block principal boy principal budget factor principal bundle principal carrier principal cause of death principal cell principal challenge principal clause principal component principal component analysis principal component analysis principal component analysis principal component analysis principal component analysis （PCA） principal component estimate

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。