“formal operational stage”概念、定义、翻译-科学时代

单词	formal operational stage
释义	心理学词汇手册 formal operational stage 形式运思阶段，形式运算阶段
随便看	flight-type design flight vehicle flight velocity flight vibration measurement flight weather condition flight zone F-like statistics flimflam flimmer flimsy flimsy flimsy flindersia flindersiamine flindulatin fling flinger flinger ring flint flint flint flint-and-pyrite method flint corn flint corn flint--flint （stone）

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。