lactation
/lækˈteɪʃən/noun
mass noun
1- the secretion of milk by the mammary glands泌乳。
1.1
- the suckling of young哺乳, 喂奶。
派生词
lactational
adjective词源
mid 17th cent.: from Latin lactatio（n-）， from lactare 'suckle'， from lac, lact-'milk'.