unfruitfuladj.
英 ʌn'fruːtfʊl; -f(ə)l | 美 ʌn'frʊtfəl
中文adj. 不结果实的；无效果的；不生子女的；徒然的
词根词源
unfruitful (adj.)late 14c., "barren," from un- (1) "not" + fruitful. Originally literal; figurative sense is attested from c. 1400. Related: Unfruitfully; unfruitfulness.
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