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单词 litter-mate
释义

> as lemmas

litter-mate
litter-mate n.
ΚΠ
1921 Genetics 6 122 These are assumed to be litter-mates for whom all or nearly all tangible environmental factors may be assumed to be in common.
1946 Nature 24 Aug. 258/2 A biological test of a solution in arachis oil of the vitamin A thus obtained showed growth-promoting activity in rats (ten litter-mate growth comparisons) of the order indicated by spectroscopic assay.
1972 Sci. Amer. Feb. 22/3 Rodents are small, inexpensive and bear large litters, so that littermates with the same genetic background can be assigned to different conditions.
extracted from littern.
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