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usefulness ['ju:sfulnis]
基本释义
- n. 有用
词形变化
- 名 词:use'ful·ness副 词:use'ful·ly
参考例句
- There is usefulness to the parachute.
降落伞是有用的。
- There is usefulness to the parachute.
英英解释
1个名词解释
- the quality of being of practical use
[同] usefulness, utility
[反] inutility, unusefulness, uselessness
- the quality of being of practical use