the period following birth during which milk is secreted
the production and secretion of milk by the mammary glands
feeding an infant by giving suck at the breast
同义词：suckling
lactation详细解释
lac.ta.tion n.（名词）Secretion or formation of milk by the mammary glands.泌乳：由乳腺分泌或形成的乳液The period during which the mammary glands secrete milk.哺乳期：乳腺分泌乳液的时期 【引伸】 lacta.tional adj.（形容词）
