“taking a long to get to sleep”概念、定义、翻译-科学时代

单词	taking a long to get to sleep
释义	中医中药词汇手册 taking a long to get to sleep 久久不入睡
随便看	class-formative class for preschool deaf children class for retarded children class frequency class frequency classful addressing classful IP addressing class function class generation class gift class group class heading class here class hierarchy class hierarchy class hour class hour allowance classic classic classic classic acting classical classical classical abstraction classical aggregate demand curve

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。