婴儿期
6.The period from the War of Independence to the Civil War is the babyhood of the United States.

7.Reading can begin with babies and continue throughout the preschool years.
8.The earliest period of childhood, especially before the ability to walk has been acquired.
9.In this case, the disease was unilateral and presented in infancy as a mass lesion which was removed surgically.
10.Correct parental nurturing from infancy through adolescence determines both the physical and mental profile of a mature individual .

