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單詞乎

usefulness

音標(biāo)['ju:sfulnis]
usefulness是什么意思、usefulness怎么讀

usefulness漢語(yǔ)翻譯

n. 有用, 有益
【經(jīng)】 有用, 有用性

usefulness英語(yǔ)解釋

名詞 usefulness:

  1. the quality of being of practical use
    同義詞：utility

usefulness例句

  1. Consider the postage stamp: its usefulness consist in the ability to stick to one thing till it get there.
    想想那郵票吧：其用處在于它能粘住一樣?xùn)|西直至達(dá)到目的為止。
  2. A regulation that has outlived its usefulness.
    已經(jīng)沒(méi)用卻仍然存在的規(guī)則
  3. When he retired he felt that he had outlived his usefulness.
    他退休后覺(jué)得自己年老無(wú)用了。
  4. Impairment of the usefulness or value of person or property; harm.
    損害，破壞對(duì)有用或有價(jià)值的人或財(cái)產(chǎn)的破壞; 傷害
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