| 单词 | non-reproductive | 
| 释义 | > as lemmasnon-reproductive   non-reproductive adj.  Brit. , U.S.  ΚΠ 1831    On Planting (Libr. Useful Knowl.) iii. 33 		(heading)	  				Non-reproductive or resinous trees. 1869    Jrnl. Statist. Soc. 32 265  				The non-reproductive sources of our material wealth, such as our minerals, are being very heavily drawn upon. 1910    Amer. Naturalist 44 319  				The problem of the non-reproductive worker [ant] in relation to heredity is fully elucidated. 1990    Behavioral Ecol. 1 14/2  				We analyze the contribution that hoarding makes to a bird's ability to survive during a nonreproductive period (such as winter). < as lemmas | 
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