“old stone age”概念、定义、翻译-科学时代

单词	old stone age
释义	社会学词汇手册 old stone age 旧石器时代
随便看	black sea bass Black Sea Clauses black sesame black sesame seed black sesame seed black shank of tobacco blackshirt Blackshirts black sickness black signal blacksmith blacksmith's anvil blacksmith tongs black smoker black smoker black smoker complex black soil black soil black soybean black soybean black spot black spot black spot blackspot black spot of cabbage

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。