infancy

名词

1. 1

   婴儿期、幼年、幼儿时期

   He lost both of his parents in infancy.

   他在婴儿时期就失去了双亲。

2. 2

   初期、萌芽阶段

   The technology is still in its infancy and quite expensive.

   这项技术还在起步阶段，而且相当昂贵。