英语词汇“usefulness”的读音、翻译、释义、用法及例句-语文网

词汇	usefulness
释义	usefulness KK:[`jusfәlnɪs] DJ:[`ju:sfulnis] n. 1. 有用, 有益, 有效[U] He has outlived his usefulness. 他已老而无用了。同义参见: value worth convenience utility
随便看	ironing board ironist iron lung ironmonger ironmonger's ironmongery iron-on iron out iron pyrites iron rations irons ironside ironsmith ironstone iron strap iron strapping ironware ironweed ironwood ironwork ironworker ironworks irony Iroquoian Iroquois

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