“无效”概念、定义、翻译-科学时代

单词	无效
释义	法学词汇手册无效 extinguishment; invalidation; invalidity; vitiation
随便看	skid hearth furnace skid landing gear skid pole skid road skid row skid wire skid wooden box skiffle skiing ski jump ski-jump energy dissipation ski-jump energy dissipator ski jumping competition skilfish skill skill skill skill skill skill skill analysis training skill-based pay skill-based pay skill differential skilled labour

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。