“unproductive labour”概念、定义、翻译-科学时代

单词	unproductive labour
释义	人口学词汇手册 unproductive labour 非生产性劳动
随便看	owners, landlords and tenants liability coverage（OL&T） owner's risk owner's risk clause owner's risk clause owner's risk（OR） owner　租船船东 own-label brand own-rate of interest own-root tree own-root tree OWS（ocean weather ship） oxa- oxabetrinil oxacephem oxacillin oxacillin oxacillin oxacyclopentane oxalate oxaldehyde oxalemia oxalic acid oxalic acid oxalic acid oxalidaceae

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。