Do the same if a baby is fed with a bottle.

VOA: special.2009.03.11

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

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