单词	lactation
释义	lactation noun lac·​ta·​tion lak-ˈtā-shən  plural lactations 1 : the production and secretion of milk by the mammary glands … there may be overproduction of prolactin, the breast milk hormone. A sign of that might be abnormal lactation. Paul G. Donohue When a doe kids and begins lactation, she must draw on the calcium stored in her bones to furnish enough blood calcium for milk production. David B. Weems … lactation rooms where mothers can express milk for baby. Shawn Tully … the infants of mothers given the names of lactation support groups or individuals instead are more likely to be fully breast-feeding at four months. Barbara Quick 2 : one complete period of lactation extending from about the time of birthing to weaning … cows fed 1.1 percent bicarb in the total ration produced an average 17,587 lbs. of milk per lactation … Eastern Milk Producer lactational lak-ˈtā-shnəl  -shə-nᵊl adjective lactational mastitis Word History First Known Use circa 1837, in the meaning defined at sense 1 Medical Definition lactation noun lac·​ta·​tion lak-ˈtā-shən  1 : the secretion and yielding of milk by the mammary gland 2 : one complete period of lactation extending from about the time of parturition to weaning
随便看	birdy birectangular birefracting birefraction birefringence birefringences birefringent bireme biremes biretta birettas Birgus Birhor birhors biri biriani birianis biriba birimose birk Birkbeck birken birkener birkenest Birkenhead

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