“pyramid”概念、定义、翻译-科学时代

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。

单词	pyramid
释义	请查阅pyramid--pyramid（tree）
随便看	municipal loan municipal reclaimed water system municipal rubbish landfill site municipal school municipal science municipal secondary school municipal securities municipal sewage municipal solid waste municipal solid waste（MSW） municipal system municipal theatre municipal tourism administration municipal traffic municipal university municipal utility municipal wastewater municipal water distribution system muniment muniments muniments of title muniments of title muniongite munitions munitions officer