英语词汇effectiveness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	effectiveness
释义	ef.fec.tive.ness HI5fek7tIv7nEs, $-tIv- n [U] 有效性 There are doubts about the effectiveness of the new drug in treating the disease. 这种新药对此种疾病的疗效还存在疑问。
随便看	sunroof sunscreen sunset sunshade sunshine sunspot sunstroke suntan suntanned suntrap sup super super super- super- superabundance superabundant superannuated superannuation superb superbly supercharge supercharger supercilious superciliously

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。