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

单词	formal operations stage
释义	社会学词汇手册 formal operations stage 形式运思期
随便看	boric acid boric acid boric acid boric acid ester boric anhydride borickite boride boride boride europium boriding boriding boring boring boring boring boring boring boring bar boring bar boring bit boring casing boring dust boring frame boring head boring head

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。