“白垩系”概念、定义、翻译-科学时代

单词	白垩系
释义	工程与技术词汇手册 Cretaceous System 白垩系
随便看	proof mass proof of absolute consistency proof of birth proof of bride's virginity proof of cash proof of claim proof of claim proof-of-concept prototype proof of death proof of debt proof of debt proof of debt proof of delivery proof of delivery proof of delivery proof of delivery (POD) proof of delivery--proof of delivery（POD） proof of delivery（POD） proof of loss proof of loss proof of loss proof of posting proof of relative consistency proof of service proof of title

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。

Cretaceous System