effectiveness読み方
Update Required
To play the media you will need to either update your browser to a recent version or update your Flash plugin.
- effectiveness日本語の意味：effectiveness n. 効果, 効能, 有効性.【動詞＋】A computer can improve the effectiveness of business decisions. コンピューターによって経営上の決定効果を高めることができるjudge the effectiveness of a teacher 教員の能力を判定するSleeping pills
