n.[U]

1. 嬰兒期，幼年[S1]
   He has been bright from infancy.

   他從小就很聰明。

2. 初期；未發達階段
   The industry was still in its infancy.

   這一產業當時仍處於發展初期。

3. 【律】未成年

n.

1. early childhood or babyhood.
2. the early stage in the development or growth of something.
3. Law  the condition of being a minor.