“valetudinarian”的概念、定义、翻译、参考文献-科学参考

单词	valetudinarian
释义	valetudinarian 久病衰弱者久病衰弱者
随便看	cylinder end seal cylinder escapement cylinder expansion cylinder fault cylinder feed beater cylinder fitting cylinder flat bed machine cylinder foot cylinder frame fit cylinder front cover cylinder gas cylinder gate cylinder gauge cylinder glass cylinder governor cylinder grader cylinder grate cylinder grinder cylinder grinding cylinder grinding wheel cylinder hay loader cylinder head cylinder head anchor pin cylinder head bolt cylinder head bolt and nut

科学参考收录了1248194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。