"从幼年起"可以翻译为 "from an early age" 或 "since childhood" 。例如：
* He has shown a keen interest in music from an early age.（他从幼年起就对音乐表现出浓厚的兴趣。）
* She has been passionate about painting since childhood.（她从幼年起就热爱绘画。）