英语词汇efficiency怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	efficiency
释义	efficiency/iˈfiʃ(ə)nsi/n. (pl. -ies) 1 the state or quality of being efficient 有效，效率，功效 2 Mech. & Physics the ratio of useful work performed to the total energy expended or heat taken in 【机】【物理学】效率 [Latin efficientia (as EFFICIENT)]
随便看	kneecap kneecapping knee-deep knee-high knee-high to a grasshopper kneehole knee-jerk knee joint kneel knee-length kneeler knee-pan knees-up knee-trembler knell knelt Knesset knew knickerbocker Knickerbocker Glory knickers knick-knack knick-knackery knick-knackish knife

英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。