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 /ˈjuːsfʊlnɪs/ n. 有用；实用；有助益；效用 He has outlived his usefulness. 他已老而无用了。 customs that have long outlasted their usefulness 早已陈旧过时的无益习俗
随便看	infringes infringing in front in-front in front of in-front-of in front of sb.'s eyes in front of sb.'s very eyes in front of sb.'s (very) eyes infructescence infructuose infructuous infructuously infructuously infs inf's infula infulae in full in-full in full blast in full bloom in full charge in full course in full cry

英汉双解词典包含548777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。