“第一手资料”概念、定义、翻译-科学时代

单词	第一手资料
释义	国际贸易词汇手册 first hand information 第一手资料
随便看	student appraisal student aptitude student assessment student assessment method student-assignment score student association student attention student attrition student background student behaviour student behaviour pattern student body student bombardier student boom student cadre student centre student-centred classroom teaching student-centred curriculum student-centred learning student-centred learning student-centred teaching student certification student character evaluation student class student constitution evaluation

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。

first hand information