英语词汇usefulness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	usefulness
释义	use.ful.ness 5jU:7sf[l7nEs n [U] 有用，有助益，有效 The usefulness of lavender essence for treating burns is well known. 熏衣草香精治疗烧伤的作用人人知道。 Some people think this system of education has outlived its usefulness (= is no longer useful). 一些人认为这一教育制度已经不在有效用了。
随便看	ejaculation ejaculation eject ejection eke out EKG elaborate elaborate elaborately elaboration elapse elastic elasticated elasticity Elastoplast elated elation elbow elbow elder elder elderberry elderly elderly eldest

英汉双解词典包含44095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。