unfruitful
US /ʌnˈfruːt.fəl/
UK /ʌnˈfruːt.fəl/
形容詞
1.
実りのない
not producing any good or valuable result:
例:
•
The two sides have been involved in lengthy - but so far unfruitful - negotiations.
Lingolandでこの単語を学ぶ
実りのない
not producing any good or valuable result: