酷兔词典首页

usefulness

美音:[´ju:sfəlnəs ]点这儿播放单词美音发声
英音:[´ju:sfəlnəs ]点这儿播放单词英音发声
n.有用,有效性

难易程度:

usefulness为短语/超纲词汇

近义词, 同义词

usefulness


/-fəlnɪs; -fəlnɪs/ n [U]
*The old car has outlived its usefulness, ie is no longer useful or worth keeping. 这辆旧汽车已经不能用了.

usefulness


n[U]
the state of being useful or the degree to which something is useful
usefulness of
 There are doubts as to the usefulness of this approach (=it may not be useful) .
 As a commuter service, the ferry has outlived its usefulness (=is no longer useful) .
1. A year ago, although I was interested in the language, I wasn´t clear about its usefulness.
    一年前,我对英语产生了兴趣,但并不明白它的价值。

更多句子>>>