| 单词 | unfruitful | 
| 释义 | Word Frequency unfruitful(ʌnˈfruːtfʊl) adjective 1.  barren, unproductive, or unprofitable  2.  failing to produce or develop into fruit Derived forms unfruitfully (unˈfruitfully) adverb unfruitfulness (unˈfruitfulness)  noun  | 
	
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