lactation
n[U]
(medical or biology 医或生)
1 production of milk in the breasts of women or the udders of female animals 泌乳.
2 time during which this happens 泌乳期.
🗣️ 情景例句
They live from hand to mouth.
他们过着糊口的生活。
The menu is dirty, Would you bring me a clean one, please?