一部の

some

→ 一部
phrase Rare #39,844
some Used before a noun to refer to part of a group, emphasizing that it does not include everyone or everything. It can also mean “certain” in some contexts.
JA: 一部の学生は試験に反対している。
EN: Some students are opposed to the exam.

一部の大学の先生は授業に遅く来て早く帰る

Some university professors arrive late to class and leave early.

一部の病院は幼児ミルク無料見本配布する

Some hospitals distribute free samples of infant formula.