单词	underfrequency relay
释义	underfrequency relay noun : a relay actuated by a fall in electrical frequency Word History Etymology under entry 3 + frequency
随便看	slapdashes slapdashest slapdashness slape slape end slapest slaphappier slaphappiest slaphappiness slaphappy slapjack slapjacks slapp SLAPP suit slapp suits slapped slapped around slapped down slapped on slapped together slapped with slapper slappers slappest slapping

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。