usefulness

音标['ju:sfulnis] usefulness是什么意思、usefulness怎么读

usefulness例句

1. Consider the postage stamp: its usefulness consist in the ability to stick to one thing till it get there.想想那邮票吧：其用处在于它能粘住一样东西直至达到目的为止。
2. A regulation that has outlived its usefulness.已经没用却仍然存在的规则
3. When he retired he felt that he had outlived his usefulness.他退休后觉得自己年老无用了。
4. Impairment of the usefulness or value of person or property; harm.损害，破坏对有用或有价值的人或财产的破坏; 伤害

usefulness英语解释

名词 usefulness:

1. the quality of being of practical use同义词：utility

usefulness汉语翻译

n. 有用, 有益
【经】 有用, 有用性