useful読み方
発音記号・読み方: [ 'ju:sful ]
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- useful日本語の意味：useful adj. 有用な, 役に立つ.【副詞】The material is especially useful for high school students. その題材はとりわけハイスクールの生徒たちの役に立つextremely useful きわめて有用なShe helped with the children, did the washing and mad
