“天头”概念、定义、翻译-科学时代

单词	天头
释义	美术、书法与摄影词汇手册天头 upper margin
随便看	no risk after discharge no risk after landing no risk until on board no risk until on rail no risk until water-borne norit norleucine Norlevorphanol NOR logic norm norm norm norm norm norm norm norm norm norm norm norm norm norm norm norm

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。