“保管期”概念、定义、翻译-科学时代

单词	保管期
释义	航空航天词汇手册 preservation period 保管期
随便看	Camden Town Group cameist camel camel camel camel camel camelback camelback camel driver camelina camellia camellia camellia camellia camellia camellia flower Camellia japonica Camellia oleifera Camellia sansanqua camellia seed extract Cam(elopardalis) Camelots du Roi camel's-hair brush CAMELS rating system

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。

preservation period