A woman might invite a group of women to a party called a baby shower for a friend who is about to give birth.

VOA: special.2009.09.11

Piaget's example would be a baby who's used to sucking on a breast might come to suck on a bottle or on a rattle.

皮亚杰举例说,一个习惯吸吮乳房的婴儿,可能会去吸吮奶瓶或是拨浪鼓

耶鲁公开课 - 心理学导论课程节选

Now,a small but intriguing new study looks at one way the delivery method might affect the baby's health.

VOA: standard.2010.06.30