“secular upheaval”概念、定义、翻译-科学时代

单词	secular upheaval
释义	水利水电词汇手册 secular upheaval 长缓上升
随便看	sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling sampling action sampling analysis sampling analysis sampling at random sampling bias sampling bias sampling bottle sampling by random numbers

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。

secular upheaval