英语词汇helpfulness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	helpfulness
释义	请查阅词条：helpful
随便看	coffee grinder coffee house coffee mill coffee morning coffee shop coffee table coffee-table book coffer cofferdam coffered cofferer coffers coffin coffin bone coffined, coffining coffin nail coffle coffret co-found co-founder cog cogency cogeneration cogent cogently

英汉双解词典包含131075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。