英语词汇secondly的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	secondly
词根词缀	Online Etymology Dictionary secondly adv. late 14c., from second, adj. + -ly(2).
随便看	undercurrent undercut underdeveloped underdog underdone underdressed under-employed under-employment underestimate underexposed underfeed underfoot undergarment undergird undergo undergrad undergraduate underground Underground Railroad undergrowth underhand underhanded underlay underlie underline

英语词根词缀词典收录了54763条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。