laccal

例句：

1. 1.The lactating mother is in the process of producing milk for her baby.
   正在哺乳的母亲正在为她的宝宝生产乳汁。
2. 2.The lactose-free milk is suitable for people with lactose intolerance.
   无乳糖牛奶适合乳糖不耐受的人。
3. 3. The lactation period lasts from about six weeks to two years for a human infant.
   哺乳期从人类婴儿大约六周到两年不等。