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	knocked knocked about knocked against knocked around knocked back knocked down knocked-down knocked out knocked-out knocked over knocked together knocked up knocker knockers knocker's knocker-up knock for a loop knock for a loop knock-for-a-loop knock for knock agreement knock for six knock forward knock head knock hell out of knock holes in

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。