“preschool period”的概念、定义、翻译、参考文献-科学参考

单词	preschool period
释义	preschool period Encyclopedia 理学儿童期释 preschool period幼儿期个体3～7岁的时期。又称学前期、童年初期。
随便看	Pele p-element p elementary group p-elementary group p-elementary subgroup peleoclimate record Peletier PELG Pelham Humfrey Pelham: orAdventures of a Gentleman Pelican Nebula pelicans Pell pellagra Pell constant Pelle Erobreren Pell equation pellet pellet-cladding interaction pellet diet hardness pellet fuels production technology Pelle the Conqueror pelletizer pelletizing pelletizing systems

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。