英语词汇efficaciousness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	efficaciousness
释义	请查阅词条：efficacious
随便看	householdership householderships household name householdry households household word house-hunter house-hunters house hunting house-hunting house husband housekeeper housekeeperlike housekeepers housekeeping housekeepings houselessness houselessnesses housemaid housemaids houseman houseman's housemanship house martin house martins

英汉双解词典包含314281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。