“Pb（lead）”概念、定义、翻译-科学时代

单词	Pb（lead）
释义	环境科学与工程词汇手册 Pb（lead）铅
随便看	presentative theory present beneficiary present competitor present competitor present continuous present discounted value present discounted value (PDV) present discounted value (PDV) present discounted value--present discounted value (PDV) present discount value presented for payment presenteeism presenter presenter commercial present estate present for duty present in area population presenting bank presenting bank presentism presentive word present land-use map present marriage presentment presentment

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。