单词	understratum
释义	understratum noun : substratum Word History Etymology under entry 3 + stratum
随便看	sanguineous sanguiner sanguines sanguinest sanguini- sanguinian sanguinicolous sanguining sanguinities sanguinity sanguinivorous sanguino- Sanguisorba sanguivorous Sanhedrin sanhedrins Sanibel Island sanicle sanicles Sanicula saniculae saniculas sanidine sanidines sanidinic

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。