“辅导级影片”概念、定义、翻译-科学时代

单词	辅导级影片
释义	美术、书法与摄影词汇手册辅导级影片 PG-rated movie (parent-guide-rated movie)
随便看	Tracing Back to the Source of the Stream tracing cloth tracing digitizing tracing digitizing tracing function tracing paper tracing paper tracing paper tracing paper track track track track track track track track track track track track track track track track

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。