她在大学主修电子与计算机工程（ECE），目标是成为一名幼儿园教师。

She is majoring in ___ECE at university with the goal of becoming a preschool teacher.

她决定在大学主修电气与计算机工程，因为对硬件和软件都感兴趣。

She decided to major in ___ECE at university because she's interested in both hardware and software.