单词	operancy
释义	operancy noun op·​er·​an·​cy -nsē plural -es : the quality or state of being operative : operation Word History Etymology operant entry 1 + -cy
随便看	black maire black mallard black mamba black manganese black mangrove black maple black margate Black Maria black mark black market black marketeer black marketeering black marketeerings black marketer black marketers black marlin Black Mass black measles black medic black mercury Black Miao black miaos black mica black mint Black Mission fig

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。