“有效日期”概念、定义、翻译-科学时代

单词	有效日期
释义	请查阅到期日--失效日期--有效日期
随便看	off-grade off-grade goods off-grade product offgrade timber off ground off-ground off-hire off-hire off-hire clause off-hire clause off-hook Office office Office office allowance office appliance office area office arts office automation office automation Office Automation office automation office automation (OA) office automation (OA) office automation (OA)

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。