a studious girl的用法和样例：
- Selma was a studious girl, who had not much tolerance for giddy things like Tiny and Lena.
- My sister is always a studious student.
- Mary was a very quiet, studious girl.
- Jones was very quiet, a studious boy.
- She was a studious child, happiest when reading.
- A studious woman sits down with you at a local inn.