She is quiet and studious, in marked contrast to her sister.

她沉静勤奋，与她妹妹形成了鲜明的对照。

《牛津词典》

In addition, the studious students of quality, entrepreneurial spirit, as well as excellent professional are worthy of appreciation, which is after her success and achievements.

此外，该生勤奋好学的品质，积极进取的精神以及优秀的专业素养都很值得赞赏，这也是她以后获得成功和工作成绩的基础。

youdao

Rama and her star charts to a diligent, studious doctor (we'll meet him in chapter 9) who told me he couldn't possibly analyze my medical condition without tasting my urine.

NPR: Excerpt: 'The Healing Of America'

With him are a studious but sultry librarian (Rachel Weisz) and her dim but cowardly brother (John Hannah).

NEWYORKER: The Mummy