Elkind

常见例句

• Professor David Elkind is an American famous psychologist and educationist, his Child Stress Theory is a systemic and profound research which based on Piaget's Cognitive Development Psychology.
  美国著名心理学家及教育家大卫·爱尔坎德（David Elkind）教授以皮亚杰的认知发展心理学为基础，对儿童压力问题有系统而深刻的研究。
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