“penumbra”概念、定义、翻译-科学时代

单词	penumbra
释义	天文学词汇手册 penumbra 半影
随便看	damages damages damages damages at large damages for delay damages ultra damage survey damage threshold damage to cargo damage tolerance design damage tree damage value damaging stress damar damaras damascene damascene lace damascone Damascus Declaration concerning Coordination and Cooperation between the Arab States Damascus Protocol damas de Lyon damas de Naples damas des Indes damas en dorure damask

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。