infancy /ˈɪnfənsɪ/ TEM4

• 1. 

  N-UNCOUNT Infancy is the period of your life when you are a very young child. 婴儿期

  例：

  ...the development of the mind from infancy onwards.

  …从婴儿期开始的智力开发。

• 2. 

  N-UNCOUNT If something is in its infancy, it is new and has not developed very much. 初期

  例：

  Computing science was still in its infancy.

  计算机科学仍然处于初期阶段。