Lesson 3-Message of the Land infancy n.1.early childhood幼年时期 2.early stage of development(初其 Examples: He came to England in his infancy. Genetic engineering is still in its infancy. 回 NEXT Lesson 3-Message of the Land infancy n. 1. early childhood 幼年时期 2. early stage of development (初期 Examples: He came to England in his infancy. Genetic engineering is still in its infancy