formative

She was born in Barbados but spent her formative years growing up in Miami.

她出生于巴巴多斯，但他的成长期是在迈阿密度过的。

The zoology program at my university attracts students for whom zoo visits were the crucial formative experience that led them to major in biological sciences.

我就任高校的动物学课程所吸引的学生，就是因为参观动物园这一段至关重要的成长经历，才选择修读生物科学专业。

My father was a sunday painter, and his art books played a formative role in my childhood.

我的父亲是个业余画家，他的艺术书籍在我的童年时代起了很大的作用。

Mainly Qualitative (formative).

主要是定性的(结构化的)。

It´s still in its formative stages.

现在还处在成型阶段。