“readers per copy”概念、定义、翻译-科学时代

单词	readers per copy
释义	新闻与传播词汇手册 readers per copy 每份报纸读者数
随便看	placenta placenta placenta placenta placenta placenta placental barrier placental barrier placental globulin placental hormone placentalia placentalia placental immunity placental mammal placental membrane placental retention placental villus placentation placentation placentation placentitis placentography placentome placentophagy place of abode

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。