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	dally dally with dally with dalmatian dam dam damage damage damaged damages damask Dame dame dame dammit damn damn damn damn damn damn damn damnable damnably damnation

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