usefulness

US [ˈjusfəlnəs]
UK [ˈjuːsf(ə)lnəs]
  • n.有用;可用性;实用
  • Web有用性;用处;有效性
usefulness
n.
1.
有用;实用;可用性the fact of being useful or possible to use
There are doubts about the usefulness of these tests.
这些试验是否有用,人们有所保留。
The building has outlived its usefulness.
这座楼房已超过使用年限了。

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard