“trefoil arch”概念、定义、翻译-科学时代

单词	trefoil arch
释义	美术、书法与摄影词汇手册 trefoil arch 三叶拱
随便看	negative interest negative interest negative interference negative investment negative ion negative ion negative ion negative ion negative ion negative ion negative ion beam negative ion source negative judgement negative landform negative leap second negative lens negative lens negative lens negative lens negative list negative list negatively correlated variable negatively originated motive negatively skewed negative magic

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。