单词：usefulness
音标：['ju:sfjlnis] ；
n. 有用, 有益
[经] 有用, 有用性
[经] 有用, 有用性
n the quality of being of practical use
词型变化：名词复数形式 : usefulnesses
词性分布：
usefulness的用法和样例：
例句
用作名词(n.)
- It is of the greatest usefulness.它是极有用的。
- This toolhas even more usefulness than that.这个工具比那个更有用。
- The duality of use value refers to its usefulness and rarity.使用价值的两重性指的是有用性和稀少性。
词汇搭配
- usefulness index实用性指数
- decline in economic usefulness经济效用减低...
【近义词】
- utility效用
- worth价值
- convenience便利
- value价值
- practicality实际
- helpfulness有帮助
- expediency权宜
- efficacy功效
- effectiveness有效性
- handiness巧妙
- advantageousness有利
- suitability适当
【反义词】
单词：usefulness 相关文章
It was known by all that he was a good scholar, and by all that he was respected. 所有人都知道他是一名好学生，都敬佩他。 His father and mother, brothers and sisters, came on the commencement day to hear him speak. 他父母和兄弟姐
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At the opposite extreme 在对待老人的另一个极端 in treatment of the elderly, the happy extreme, 这个快乐的极端， are the New Guinea farming societies 是在新几内亚的农耕社会 where I've been doing my fieldwork for the past
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