“penumbra”概念、定义、翻译-科学时代

单词	penumbra
释义	美术、书法与摄影词汇手册 penumbra 画面阴暗交界处；半影
随便看	virgule virgule Virial coefficient virial coefficient Virial equation virial equation Virial equation of state virial equation of state Virial expansion virial expansion Virial theorem virial theorem virial theorem viri-avunculocal residence viricide viricide virid viridenomycin viridescent viridescent viridian viridian viridicatin viridicin viridin

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。