“易学难精”概念、定义、翻译-科学时代

单词	易学难精
释义	教育学词汇手册易学难精 easy to learn but difficult to master
随便看	near burst nearby dwarf nearby earthquake nearby echo nearby galaxy nearby object nearby space nearby star nearby view near-cash assets near-circular orbit near-collision nebula near-contact binary near-crisis near-crisis near delivery near-earth asteroid belt near-earth asteroid (NEA) near-earth comet near-earth object near-earth orbit near earthquake near-earth satellite near-earth space near earth space

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。