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	sententiously sentient sentiment sentiment sentimental sentimentalism sentimentalist sentimentality sentimentalize sentimentally sentinel sentry separable separate separate separately separates separation separatism separatist sepia sepsis September septet septic

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。