“cost per thousand”概念、定义、翻译-科学时代

单词	cost per thousand
释义	请查阅cost per thousand--cost per thousand (CPM)
随便看	running-down business running down clause running-down clause running-down clause running down clause running expenses running expenses running fire running fire running fix running foot running friction running gag running ground running hand running head running head running headline running headline running headline running hot running hours running hours running ice running index

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。