Lactation

[læk'teɪʃ(ə)n] or [læk'teʃən]

解释:

(noun.) the production and secretion of milk by the mammary glands.

(noun.) the period following birth during which milk is secreted; 'lactation normally continues until weaning'.

贺拉斯校对--From WordNet

解释:

(n.) A giving suck; the secretion and yielding of milk by the mammary gland.

手打:鲁迪