“旧石器时代”概念、定义、翻译-科学时代

单词	旧石器时代
释义	环境科学与工程词汇手册旧石器时代 Early Stone Age；Palaeolithic
随便看	deckhead building decking decking time deckle deckle edge deck-level attack deck loading deck loading deck load strike deck log deck-master deck officer deck paint deck plate girder bridge deck risk deck roof deck trailer deck unit declamation declamation declarant declarant declaration declaration declaration

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。